OpenTechnical

OT-2026-000008457

Publication integrity record

Foam pad vacuum gripper, single stage ejector, vented 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-2026-000008457) never changes.

Identity and time

Publication numberOT-2026-000008457 · never reused
Internal UUID01a0ae6a-e46a-7723-971e-98e2db4d8027 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008457
StatusPUBLIC

Content hashes

Canonical text6145fe819bcc8982f1a3367637dc66929b3c6c683ac159d8a0a5dd459949750f
Markdown802b66ee454e3f7d05364d27490901f121b77278a3c1988323f015ccb5396ce6
PDF
Publication pagee1bf88f22f6e0891ba533700aff4aaf9ba69a22ace843a1a867ee9b432e5c599
Manifestba0e631683cbd3d52445e8f01806acac3163b7a3a0640ce338b4210dd0a1c445

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
SignatureFeFgFjGmPCgfaI1KdKMvtK/EOIDgVPKxevzR/SIHj71AMo471pu9jhTf2/ZLrwBKAljMcTZfIsDE/Pqj5E5iAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:20.621103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008457
observed e1bf88f22f6e0891ba533700aff4aaf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:20.603623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008457/manifest.json
observed ba0e631683cbd3d52445e8f01806acac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:20.584579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008457/publication.md
observed 802b66ee454e3f7d05364d27490901f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:20.565873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008457/publication.txt
observed 6145fe819bcc8982f1a3367637dc6692...
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.