OpenTechnical

OT-2026-000031766

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000031766) never changes.

Identity and time

Publication numberOT-2026-000031766 · never reused
Internal UUID01a0ae74-bad0-7224-bd9b-1542142846b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031766
StatusPUBLIC

Content hashes

Canonical text247bb3865f874523416fcdf0efc808031e84d8717252b72b986ebad358b49f27
Markdown53b3c0b4bc3c47462db41d5de4540b8d38e1d2b4620efbf2443e21b75bf6ae8a
PDF
Publication pagef4619eb2736e15817ea5d78a4d02aec6fd4a4e8d90dc2db3a2a335435d5f256f
Manifestb615eb6d774fc68d12bc3fd555e8dec401dc1b45f92603563118b9ce861d326a

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
Signature9nX9l3eDtGbCsv4jkLGuTDNjF63AeGvehEHZWJfa5EoFZisGTp4X2a37a6I8B2rKOIFknVAMd/e+ZHm25K6QAA==
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

2026-09-17T11:34:53.421404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031766
observed f4619eb2736e15817ea5d78a4d02aec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:53.404786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031766/manifest.json
observed b615eb6d774fc68d12bc3fd555e8dec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:53.388952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031766/publication.md
observed 53b3c0b4bc3c47462db41d5de4540b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:53.373281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031766/publication.txt
observed 247bb3865f874523416fcdf0efc80803...
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.