OpenTechnical

OT-2026-000103986

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, pulsed 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-2026-000103986) never changes.

Identity and time

Publication numberOT-2026-000103986 · never reused
Internal UUID01a0aea5-15e8-7536-939e-0b42ac22d8fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103986
StatusPUBLIC

Content hashes

Canonical text03aa7aabcfec23b56e8f2dacdcb967f4724d59b5bd4920a8b92152bd3e45a55e
Markdownc31678b1fe0f1f4c24a5bd702e0721658480d73fc1efcf22f23df59cceed47c8
PDF
Publication page47a27a9d39534767638a1172c5cece9ae3c0ad2670f24fd722ff51dfb1fa88c9
Manifestf669af53be8f61946dbb9c284ab08b4fea23a603e79261c3f112cd5295b57f80

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
SignatureB/TUEED61C7GrVHHXkNDD5rR9gKWo6f3L+at4pSzad4H+cw98tcpfGF09l+3XdLCWZqqE/Ei9u7I4V1C4qrDAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:59.489936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103986
observed 47a27a9d39534767638a1172c5cece9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:59.473231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103986/manifest.json
observed f669af53be8f61946dbb9c284ab08b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:59.455375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103986/publication.md
observed c31678b1fe0f1f4c24a5bd702e072165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:59.437735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103986/publication.txt
observed 03aa7aabcfec23b56e8f2dacdcb967f4...
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.