OpenTechnical

OT-2026-000021038

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000021038) never changes.

Identity and time

Publication numberOT-2026-000021038 · never reused
Internal UUID01a0ae6f-65e4-7861-9c2d-957fc694a2bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021038
StatusPUBLIC

Content hashes

Canonical text32e557d9ce7db66884a01a9a89de88ae123993f9a12ea5406011966465b986ec
Markdown07cb71d4b95a1791285e09d10ca8f1d53d9c599af7b2e8fcaee471e7f43cdbcc
PDF
Publication pageeb2ce32857d7742b7af6abdb310f2df059cd3b55f7668d298eb806e144e6a26c
Manifestd504a6bdd87e1d622d42ed68824b7032ba36493dfb16b567d287c9ec087756f6

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
Signaturew7PzXDM53I5KqmLWl0K/ukOBdlgR2zFP6FPgqIquX44Qv67jGx+mWn2vaYxcjtaWUD83oN90aczRyN0VWs3VBQ==
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

2026-09-17T11:56:09.441385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021038
observed eb2ce32857d7742b7af6abdb310f2df0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:09.409940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021038/manifest.json
observed d504a6bdd87e1d622d42ed68824b7032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:09.389465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021038/publication.md
observed 07cb71d4b95a1791285e09d10ca8f1d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:09.357480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021038/publication.txt
observed 32e557d9ce7db66884a01a9a89de88ae...
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.