OpenTechnical

OT-2026-000009718

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000009718) never changes.

Identity and time

Publication numberOT-2026-000009718 · never reused
Internal UUID01a0ae6b-7564-78d3-a349-d13d306245fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009718
StatusPUBLIC

Content hashes

Canonical text1a131a512600bc781db9009761dee2dee3a3e6927e1c98c602307fdddc29b026
Markdown23073936f2393bf31491bfd0ef45447b5213fa7650160d9dcaa2887b31a7b58a
PDF
Publication page4dfe49a1df9b865c238dfa0f727c18cab890ae0f4331e319f9b29f3c51bd5aba
Manifest0f69ec594cbaa1f3a88bec7238a5523b5a42a11a4b4dc739dee84e082ab3b940

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
SignaturenToeLF5lMwxtEdOKhsojr7CMFilEidHop8mhhrxtull6//235peMDob0NgkcQE+Z9HHAJYF1kK+ep3Ya11XoDw==
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

2026-09-17T12:17:12.801413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009718
observed 4dfe49a1df9b865c238dfa0f727c18ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:12.780855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009718/manifest.json
observed 0f69ec594cbaa1f3a88bec7238a5523b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:12.760618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009718/publication.md
observed 23073936f2393bf31491bfd0ef45447b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:12.741850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009718/publication.txt
observed 1a131a512600bc781db9009761dee2de...
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.