OpenTechnical

OT-2026-000009931

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000009931) never changes.

Identity and time

Publication numberOT-2026-000009931 · never reused
Internal UUID01a0ae6b-cb79-72d8-ab49-6db60e4637ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009931
StatusPUBLIC

Content hashes

Canonical text3738b0d9cb037ecfc3f199980169cd2f6d86ddd0b7372061b4c330788feaffc3
Markdown2363347f2f23f16c808a12102376f6e75248d0e0744749d074d758292055ea6e
PDF
Publication page0a2a8d9eaddf034dd51356a4546d5c81bdd37f47b6d593fe9db769eb57b76a65
Manifest803af738c66546b6ade59566a319dad32a0e0297d3b017c884ffb54e59dd71fd

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
Signature5INUrxs+Wg7yrTUronmw3b1brkFDM7DREhJzu2LMUCTFFbh/dBu1SYtt+nPCQjIfmhqPz4OCbH9sdCpdH6zyBg==
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

2026-09-17T12:15:57.243252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009931
observed 0a2a8d9eaddf034dd51356a4546d5c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:57.221275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009931/manifest.json
observed 803af738c66546b6ade59566a319dad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:57.198568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009931/publication.md
observed 2363347f2f23f16c808a12102376f6e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:57.141505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009931/publication.txt
observed 3738b0d9cb037ecfc3f199980169cd2f...
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.