OpenTechnical

OT-2026-000057818

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000057818) never changes.

Identity and time

Publication numberOT-2026-000057818 · never reused
Internal UUID01a0ae88-6ed8-7b99-9a68-0ca9935c6e0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057818
StatusPUBLIC

Content hashes

Canonical texteb44c8d994d51b1712f7d022fc978af0833a049ec369d624ed2ee8cc4e92dcb0
Markdown00ba8774746e72ddad165bf13318f32aa417b9b706a5779508339b4db0968c57
PDF
Publication page2be685615980a688882044b6cb0b2d1e44ef67fc1f03470acfd41ac41047351a
Manifest4325bf00dc44a9cc83b586147a3ba9515756e870d8fba5846e1a6af1cd0b4567

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
SignaturejLlJGdbShoaF65KA27O0aGg1cYf3fCXUEgWnnjNxgczBK/LmBviDXf7EsPVoh3O47ap8yQ/ytrIRIE3aYa35BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:23.574783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057818
observed 2be685615980a688882044b6cb0b2d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:23.556627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057818/manifest.json
observed 4325bf00dc44a9cc83b586147a3ba951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:23.538366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057818/publication.md
observed 00ba8774746e72ddad165bf13318f32a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:23.519311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057818/publication.txt
observed eb44c8d994d51b1712f7d022fc978af0...
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.