OpenTechnical

OT-2026-000009497

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000009497) never changes.

Identity and time

Publication numberOT-2026-000009497 · never reused
Internal UUID01a0ae6b-7562-7499-8ca1-b398faa6b4ae · 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-2026-000009497
StatusPUBLIC

Content hashes

Canonical textb6083972d58e524ddfd73dc34371c1ba76632dc20981bc609aaa3a5bf4789b8b
Markdown5a7dd86940ebf5eec687cf209c196e2c3fed7de3a8fe0832cdc03d983d303c5e
PDF
Publication page9ed60e4524ad45e3c7b8875bc0795e3d887691ca8ff3bd9f864e76022015b498
Manifest39e750557b469896db3e37122f4b92f37e2b5d8aca9034f90472bf9f681df8eb

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
SignatureIiet/LPOzgstBSVmQ3t++aQUqp1S7odOq77vAw9scW4jwBaCIJnDi7izwzrP/06ll007hZl2bUT1lPUcY3z+DA==
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

2026-09-17T12:16:54.129940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009497
observed 9ed60e4524ad45e3c7b8875bc0795e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.109947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009497/manifest.json
observed 39e750557b469896db3e37122f4b92f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.088308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009497/publication.md
observed 5a7dd86940ebf5eec687cf209c196e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.068705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009497/publication.txt
observed b6083972d58e524ddfd73dc34371c1ba...
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.