OpenTechnical

OT-2026-000039491

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000039491) never changes.

Identity and time

Publication numberOT-2026-000039491 · never reused
Internal UUID01a0ae78-9675-7355-872a-c4f73d465931 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039491
StatusPUBLIC

Content hashes

Canonical textb2f3eb2d5d986d2d2fc27206f83a9473c3646b01a9075be68e7b72de2750f1cf
Markdowna4828584851bbd7cec5841a940d77b183ae69a060d5ef21080d22e6c69c7f30a
PDF
Publication page56bc9f5f79ac9c5ccf8042e14a068f73772412c2df67fcaf94682608b1bbce37
Manifest622fc10424298f598ea64795e61ce5acdc78248b408e89e527e598287d5369c8

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
SignatureuugCAFcMZMkCj8OmkED5xO+XzZykX4fM19hAuyzrIEc9ZDC4JIxnQGte1WjIgNW37braDzjFilD8W5MbVuFgBQ==
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

2026-09-17T11:21:07.105106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039491
observed 56bc9f5f79ac9c5ccf8042e14a068f73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:07.086356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039491/manifest.json
observed 622fc10424298f598ea64795e61ce5ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:07.069328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039491/publication.md
observed a4828584851bbd7cec5841a940d77b18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:07.052253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039491/publication.txt
observed b2f3eb2d5d986d2d2fc27206f83a9473...
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.