OpenTechnical

OT-2026-000057088

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after set-down

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-2026-000057088) never changes.

Identity and time

Publication numberOT-2026-000057088 · never reused
Internal UUID01a0ae87-d5b8-7876-879f-923e666ebc33 · 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-2026-000057088
StatusPUBLIC

Content hashes

Canonical text2840d03b5f8268cbe3b38fe4fb90a6923b3afa734735401b2911d010fb66ec3f
Markdown7be63ac2074d60f5f0da24771979d37829e7ac52831cb00612e0a41f51edc765
PDF
Publication paged12507a7793084bbb5cf7cf3ba6e702b9292bc890192e8d650614d47afcd1562
Manifest59e2f513d03b415741deaeaaa4e522ee3dbb4873886dfee447acae9da9584ac6

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
Signature4fFD0Ste1P7Nb+yCxPi+Gb4VwQ/nl2YjsW5/8VM73blTGKj/SCV3ZSbwRp7Nb2cyrqhx1+2wSUHbs6qwQUWQCQ==
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

2026-09-17T10:48:34.745051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057088
observed d12507a7793084bbb5cf7cf3ba6e702b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:34.728753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057088/manifest.json
observed 59e2f513d03b415741deaeaaa4e522ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:34.711535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057088/publication.md
observed 7be63ac2074d60f5f0da24771979d378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:34.695540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057088/publication.txt
observed 2840d03b5f8268cbe3b38fe4fb90a692...
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.