OpenTechnical

OT-2026-000016051

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000016051) never changes.

Identity and time

Publication numberOT-2026-000016051 · never reused
Internal UUID01a0ae6e-0c4e-790e-82f8-59c11b48af96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016051
StatusPUBLIC

Content hashes

Canonical text7ea8ab2867fd4c608393b70077029f4c9c88359e168e2cfb0e65c087a4c900cd
Markdown80e2a65305cb0ba11bcc0bccf2b88cae18bbb4171bc96e78960cbf3fd6898bc0
PDF
Publication page9a5d083934c237261712556c8f0c694f28eb32055aedff8e946600a3f3e9826f
Manifest0b83ecb5d3632847f7d51ca2a23e4cb753ce905c0d1bbfc51b99c3795e8272d1

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
Signature81rUnw0r5xYxVzlYD7Xp2IQwQzgKzm2bTgHs6DZYV+betB5S1VsXq7xzi4BmXJV0BOxf3TTp4sCRlYRoiu+NBA==
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

2026-09-17T12:05:36.493311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016051
observed 9a5d083934c237261712556c8f0c694f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:36.472518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016051/manifest.json
observed 0b83ecb5d3632847f7d51ca2a23e4cb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:36.452875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016051/publication.md
observed 80e2a65305cb0ba11bcc0bccf2b88cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:36.431799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016051/publication.txt
observed 7ea8ab2867fd4c608393b70077029f4c...
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.