OpenTechnical

OT-2026-000087051

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained 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-2026-000087051) never changes.

Identity and time

Publication numberOT-2026-000087051 · never reused
Internal UUID01a0ae9a-9f2d-78fe-87e1-cd5ff0e26c9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087051
StatusPUBLIC

Content hashes

Canonical texta7001bb92b811a52e279f24b13accfe9801118532969da20db251be25342ff1a
Markdown906271dd6232b3e363558dfe0586f9b09f931cad67df4b13540b00f41b1c6210
PDF
Publication page107ef5295a958d8969abd540c3da4a3b659ed86274bab5d80c20aa4fc0ffae1a
Manifest05b0373b2f30ccc0f3c55a38ae48811a0583dad397eff1c35b88d9561d602d9e

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
Signature2PaHXFvqcXu0WEUuOw2X8LcbwEsN8bPOyugOw3YVM9SLp+JooROrA96H4U1kGOMAtBs2I/BGKKbSbGsWRsuPDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:17.833219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087051
observed 107ef5295a958d8969abd540c3da4a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.816347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087051/manifest.json
observed 05b0373b2f30ccc0f3c55a38ae48811a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.798319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087051/publication.md
observed 906271dd6232b3e363558dfe0586f9b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.781299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087051/publication.txt
observed a7001bb92b811a52e279f24b13accfe9...
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.