OpenTechnical

OT-2026-000009525

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum 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-2026-000009525) never changes.

Identity and time

Publication numberOT-2026-000009525 · never reused
Internal UUID01a0ae6b-7562-76ce-8fad-43af9fba7086 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009525
StatusPUBLIC

Content hashes

Canonical texta428b2be0a9ac583677ab768ce9c6a0524aac44cfbd1dc0abad13910654f9682
Markdown801655bc27a2a3decd9ec93b3ffe4ac3e7fa3df26c954f53cd632512cc68b641
PDF
Publication page5936db775d0b59e81f83936fd70246bc6ff0075a28a12b84936b6b1baab5edc3
Manifest509303a61d41e89bb27cba6bcc367ea6f310e722e187972e2730e8ef697b5017

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
SignatureF+m1hzBahjy1FcQAStKbPkEY3WbBZzzmfJY+XfrxUCZ/ixgalt6yME+BfY0B2CHDV3jt4LS0oLj1GAZuX9o+Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:56.497646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009525
observed 5936db775d0b59e81f83936fd70246bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.480012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009525/manifest.json
observed 509303a61d41e89bb27cba6bcc367ea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.460634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009525/publication.md
observed 801655bc27a2a3decd9ec93b3ffe4ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.442077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009525/publication.txt
observed a428b2be0a9ac583677ab768ce9c6a05...
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.