OpenTechnical

OT-2026-000076995

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000076995) never changes.

Identity and time

Publication numberOT-2026-000076995 · never reused
Internal UUID01a0ae94-b071-7a0b-9449-4ea874c2ae06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076995
StatusPUBLIC

Content hashes

Canonical textfeda40d8b4f950c1ab274aa3a52e25d1a48d29d54bc039fe90551a61da52231e
Markdown4f884581e7850a81873b36f139c0e63a60855744495fb9627672686a9c94fc51
PDF
Publication page617fb6c730ae93e79c1d81da5893dca01fe8a850889e0d02525259331816cbb7
Manifesta468d5eec159565a3dbb127b525a242a8e49424c1684d6862dd2a1a355ed67cb

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
SignatureUsqlrIE2EpqGbBA7zyeuKh7udWn+98E5yo10rMhtJitcthq1dRlNLtLYDE4SuHi9JNxMVYlSTI892wVPJpIoCw==
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

2026-09-17T10:10:19.046573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076995
observed 617fb6c730ae93e79c1d81da5893dca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:19.028166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076995/manifest.json
observed a468d5eec159565a3dbb127b525a242a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:19.008544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076995/publication.md
observed 4f884581e7850a81873b36f139c0e63a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:18.988530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076995/publication.txt
observed feda40d8b4f950c1ab274aa3a52e25d1...
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.