OpenTechnical

OT-2026-000027671

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, pulsed 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-2026-000027671) never changes.

Identity and time

Publication numberOT-2026-000027671 · never reused
Internal UUID01a0ae72-6999-7907-9ed4-28fa173d1227 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027671
StatusPUBLIC

Content hashes

Canonical text5fa7e4a16ca25c44672b4ef26d08ae700fa78a1ec69ab528b2a1be420f3e7679
Markdownc90780746cf169f0a9f742355678fe1f0e3fb4ebff1f4457adec0547c4f17526
PDF
Publication page028a20f97910056d67e4f6df7583e972181d67ceacfb1f1e5cce55317087a1c3
Manifest66f71adca55f7e925dd47cb9c225b7985daf36180b8253e7f1b28c1d8e3d5939

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
Signaturen4N9k2iPVXlVVFJsWCa3B0a4MKDtZ+QmI8XUtn01GsUgGKLWqbWtN2Ig42iHoN2mZcX6GCYLGA/k/92qmpfaBQ==
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

2026-09-17T11:43:12.437329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027671
observed 028a20f97910056d67e4f6df7583e972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.420802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027671/manifest.json
observed 66f71adca55f7e925dd47cb9c225b798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.402183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027671/publication.md
observed c90780746cf169f0a9f742355678fe1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.384786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027671/publication.txt
observed 5fa7e4a16ca25c44672b4ef26d08ae70...
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.