OpenTechnical

OT-2026-000008713

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, vented 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-2026-000008713) never changes.

Identity and time

Publication numberOT-2026-000008713 · never reused
Internal UUID01a0ae6a-e46c-7ffa-b3aa-82a9c11e5083 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008713
StatusPUBLIC

Content hashes

Canonical text8f2b72e8fdbd6cebee715b8bfa427524be847a9871c2bf0ebd6e9f1aa83f049e
Markdown1537383708aee4f0dafa4b214836e93400b5fd78acbe059555848e1674ac560c
PDF
Publication page9c701fae082f7e1cf6443156477aa6b7d89a7c3f5774c14a682a485138a029fe
Manifest2b2588ad2087c16495bf339b0ba2c8977d7598c92fdc48c64a6e7566549022d8

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
SignaturepQ962UFoWCqoYMuh0Cy9BtQrn2qIGE7kCWqlf8hZysFP7iUr8eFwZnifVwdZHjuLMm3ay7QUvV0XOF1qh/WJBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:47.416175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008713
observed 9c701fae082f7e1cf6443156477aa6b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:47.395605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008713/manifest.json
observed 2b2588ad2087c16495bf339b0ba2c897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:47.374971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008713/publication.md
observed 1537383708aee4f0dafa4b214836e934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:47.354487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008713/publication.txt
observed 8f2b72e8fdbd6cebee715b8bfa427524...
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.