OpenTechnical

OT-2026-000022656

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000022656) never changes.

Identity and time

Publication numberOT-2026-000022656 · never reused
Internal UUID01a0ae70-46e9-7a7f-9a60-c0381bf280a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022656
StatusPUBLIC

Content hashes

Canonical text30538aa284c4a89f22dfcd7a6022d9cc873a48a854cd9aed833e0d196addc16e
Markdownae189b98e3c72b60e71c501810993d79f237c161f06ed360b05c856626ff0538
PDF
Publication page479be1f327472bf8c6e74ce3c21ad3bdd481bc458891b5d33f011640551ccb2d
Manifeste1d172820d5fb4f822e413f78edbbc50c7dbcc806f19fa1b90aab2f6f8647312

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
SignaturelsDGWiwmzTvp9DTkE3Kiq3KAFcAVWdtpQB7lpdziphTwCM9gzu2XUUvrlrfhn99dpCnvamOGHspvqnifKXsgCw==
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

2026-09-17T11:52:02.382149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022656
observed 479be1f327472bf8c6e74ce3c21ad3bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.365092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022656/manifest.json
observed e1d172820d5fb4f822e413f78edbbc50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.346891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022656/publication.md
observed ae189b98e3c72b60e71c501810993d79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.330876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022656/publication.txt
observed 30538aa284c4a89f22dfcd7a6022d9cc...
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.