OpenTechnical

OT-2026-000043314

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, sustained 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-2026-000043314) never changes.

Identity and time

Publication numberOT-2026-000043314 · never reused
Internal UUID01a0ae7b-327d-729e-95be-57d8fdd7e811 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043314
StatusPUBLIC

Content hashes

Canonical text38dd21427ff59c219215064708736e5fc992259818159800cbb5d2d90aa5e65c
Markdownb6b47f6c3fe79dd4688eb79be755feaf6423e0e0f5d698300a6b2f6319e33b99
PDF
Publication pageba79afa0a0628f3b316a2b09ee603351f38bbf0e8749d070ede6e9492a8de6f9
Manifestadf0fadba01912a560970b20fcbbd16f5501855fd0801442049cb0c9f164d3dc

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
Signaturet6Rdy7zf5Nj9powElCZQWfksjn1lsflq8B6wmH3i58aY1Pf3wRTi6XXc62qb2ZRolPkRy3YRGcbIAvBLoVDdAg==
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

2026-09-17T11:13:48.969626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043314
observed ba79afa0a0628f3b316a2b09ee603351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.948796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043314/manifest.json
observed adf0fadba01912a560970b20fcbbd16f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.929599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043314/publication.md
observed b6b47f6c3fe79dd4688eb79be755feaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.910035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043314/publication.txt
observed 38dd21427ff59c219215064708736e5f...
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.