OpenTechnical

OT-2026-000052578

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented before 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-2026-000052578) never changes.

Identity and time

Publication numberOT-2026-000052578 · never reused
Internal UUID01a0ae84-573b-7b54-b087-6a151739e5dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052578
StatusPUBLIC

Content hashes

Canonical text3a233e0a1a5b9f852ea6370cdc45eed279b8c5c47ce396960d03e8334795123e
Markdowne9ff229d861211266390c4bbfa021e82b6c41419a3b24107e12d721c1f9eaaf7
PDF
Publication page0a376b103e24b9918691c3b5dfcac0d5df542b16a627bd45ab54026ea4439e16
Manifest7a71d1166e17d1352e449ae225536fa58e6bee379d11d5d6d01f248aa17d4e58

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
Signature4cFOTQvlTxcDETfTobpMc6AtL5iYzSHZKiCEBCAkN4GeiGw3r25uzZEFNxiBVFNVc+QXIh6h+641Mbvi+UHgCg==
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

2026-09-17T10:57:14.347238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052578
observed 0a376b103e24b9918691c3b5dfcac0d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:14.329903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052578/manifest.json
observed 7a71d1166e17d1352e449ae225536fa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:14.312267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052578/publication.md
observed e9ff229d861211266390c4bbfa021e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:14.294551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052578/publication.txt
observed 3a233e0a1a5b9f852ea6370cdc45eed2...
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.