OpenTechnical

OT-2026-000034848

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000034848) never changes.

Identity and time

Publication numberOT-2026-000034848 · never reused
Internal UUID01a0ae76-1ed3-707a-a9a5-3c2a55a2ea6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034848
StatusPUBLIC

Content hashes

Canonical text5d91805a230f66189fcec16d55e00fb653ec81e79a7db7650ea38769d669d497
Markdownc23d2727e74ad17c8f7266541769aeadd210e3020c48c87833ef2f6c07d43c77
PDF
Publication page13eeded2e8554ae20f959b296a30ce1eb6fdd209f22f0d8fd7975d4f6566334b
Manifestceae2a6c06d7f838e964ed30af9e71ba9381d070adf1fed009c20483596b1984

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
SignatureZ/LWfi73slR85xJ+a60bnFsvRwcp3YO7u6D+rCJZPYWu+ssTPYOUlOKw9GLNm77NUM05XM3S5zgmknxgMVsEAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:29.544240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034848
observed 13eeded2e8554ae20f959b296a30ce1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.515802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034848/manifest.json
observed ceae2a6c06d7f838e964ed30af9e71ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.496901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034848/publication.md
observed c23d2727e74ad17c8f7266541769aead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.475303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034848/publication.txt
observed 5d91805a230f66189fcec16d55e00fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:50.517349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034848
observed 13eeded2e8554ae20f959b296a30ce1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:50.496804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034848/manifest.json
observed ceae2a6c06d7f838e964ed30af9e71ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:50.478329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034848/publication.md
observed c23d2727e74ad17c8f7266541769aead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:50.460324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034848/publication.txt
observed 5d91805a230f66189fcec16d55e00fb6...
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.