OpenTechnical

OT-2026-000055472

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000055472) never changes.

Identity and time

Publication numberOT-2026-000055472 · never reused
Internal UUID01a0ae86-a102-7dd0-93b8-ec86de978b36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055472
StatusPUBLIC

Content hashes

Canonical text613ac12c26450f3ff40501f9dbd5a84a33bacb7983479e1fb80ce916e43c8ab2
Markdown1b811cda24a77f15c4881d638a411d6974431f24ce3d4b698f6b7cf2c1b37e16
PDF
Publication page9cf4fee37dc76b0808f6f2f64197635ac1411188cf8171ee206c98101d646207
Manifest82dd85c0386c4cc663bfcd1a95cfebdd4b1831b25c6049a1691e9cfe0245bc17

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
SignaturelzqT/wXFodpNwigzR8YdB1B4LhFqnSNgdcXSVth68TDaumUS/Tz2W26XH/YrhocSxqzHi09KSlXpj7TAm1JqAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:08.084442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055472
observed 9cf4fee37dc76b0808f6f2f64197635a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:08.066679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055472/manifest.json
observed 82dd85c0386c4cc663bfcd1a95cfebdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:08.048163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055472/publication.md
observed 1b811cda24a77f15c4881d638a411d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:08.028981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055472/publication.txt
observed 613ac12c26450f3ff40501f9dbd5a84a...
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.