OpenTechnical

OT-2026-000008498

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000008498) never changes.

Identity and time

Publication numberOT-2026-000008498 · never reused
Internal UUID01a0ae6a-e46a-7ec4-9d0e-8d59c4e5ca17 · 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-2026-000008498
StatusPUBLIC

Content hashes

Canonical textab24368804d6b2d0b31e0af3331711bee19902ef1ef50170dc461ab17fc710e9
Markdownff8b5df8241d618d6d393bd8be6f4d23f013116e2f23425bfcf77d51d9473a4f
PDF
Publication page1b504c96e284ed5e235fe8baa26bff420a0e2336df155d12c6298896ca89a8f0
Manifestf2a9b591481e4cc06fc17f9605ff676fd00b0e60148b97d46e0d81c3de2fdacf

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
SignatureIHsolXPqYrlgBwOd2SUKHOXm7+lj5Lz12EbWPs3PVjAvp2iS+SaZK+cDk6yO0OXU63qg7y+KPc5+m1/3gAxNCw==
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

2026-09-17T12:18:24.063668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008498
observed 1b504c96e284ed5e235fe8baa26bff42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:24.044353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008498/manifest.json
observed f2a9b591481e4cc06fc17f9605ff676f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:24.023359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008498/publication.md
observed ff8b5df8241d618d6d393bd8be6f4d23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:24.003370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008498/publication.txt
observed ab24368804d6b2d0b31e0af3331711be...
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.