OpenTechnical

OT-2026-000075810

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000075810) never changes.

Identity and time

Publication numberOT-2026-000075810 · never reused
Internal UUID01a0ae94-29fe-76c2-9a41-5bb266cbe517 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075810
StatusPUBLIC

Content hashes

Canonical textd945a01c347770f20e6b85870a15744d01d109315ee506413ee4594c43450f9e
Markdown570ca2feefe98247aecf9e6f6c05f1c199ad37967f6b0777a55aed5aff152c05
PDF
Publication page6607a5a18494cf60c0b8d6f0acb63284c7f3e76f78eb1eae79c1c5ce9b36c21c
Manifestd4876bdb774ae54d5232571e6ac23ff133da688d7ad4d59710ba1f9aa5f40ea3

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
SignatureY3eXUKtO8l/dFoM7zVauiGlFIXnDa1J25W+kME6PmxUsyKiTGaw36WQgj+E9CU7ckWBicTv2qMosH/PsbBZuDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:14:19.695922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075810
observed 6607a5a18494cf60c0b8d6f0acb63284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:19.308960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075810/manifest.json
observed d4876bdb774ae54d5232571e6ac23ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:19.290745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075810/publication.md
observed 570ca2feefe98247aecf9e6f6c05f1c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:19.270816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075810/publication.txt
observed d945a01c347770f20e6b85870a15744d...
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.