OpenTechnical

OT-2026-000057196

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057196) never changes.

Identity and time

Publication numberOT-2026-000057196 · never reused
Internal UUID01a0ae87-d5ba-7f05-a12d-c31765a28388 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057196
StatusPUBLIC

Content hashes

Canonical textefdc9878e9cfe2c48ec6d4c29fc42b2662aa08f890b4148ff7eaceba0a14d2dc
Markdown5c10e71051416c18f7aff509325fb515e968b9d9c7cf9fc5e5e274ddeaaed1f3
PDF
Publication pageed663fc7de8b5eae39c381089612f5cb6ce459c73e1fff9eaaf5c15861129d0e
Manifest7de706d8362e5f82b5f81841ce3cea17225b6cbc9b0bbfc7949cc35400e923a1

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureXrpHV9QyL5YJujshL9Hmv9Woj1QA0Vl73EBn4ZsNqypqTB3v8mpwaKcf7G+PSLU23f9Ky43tk94MI3uyP/o8Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:14.482936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057196
observed ed663fc7de8b5eae39c381089612f5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.460106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057196/manifest.json
observed 7de706d8362e5f82b5f81841ce3cea17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.435773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057196/publication.md
observed 5c10e71051416c18f7aff509325fb515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.414598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057196/publication.txt
observed efdc9878e9cfe2c48ec6d4c29fc42b26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.333701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057196
observed ed663fc7de8b5eae39c381089612f5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.316964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057196/manifest.json
observed 7de706d8362e5f82b5f81841ce3cea17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.301439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057196/publication.md
observed 5c10e71051416c18f7aff509325fb515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.285181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057196/publication.txt
observed efdc9878e9cfe2c48ec6d4c29fc42b26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.