OpenTechnical

OT-2026-000035725

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000035725) never changes.

Identity and time

Publication numberOT-2026-000035725 · never reused
Internal UUID01a0ae76-b4c8-7138-8478-c7ded7617d6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035725
StatusPUBLIC

Content hashes

Canonical text523ba5c02558e933e9d2c17a63ece738c7ef1a9ac57f16d142885a9281e72756
Markdown0a07e29e335d5bff3d51b0bc503fada9eaffa9f6c426c4fca3072ea5d2041118
PDF
Publication page658248dc9dc2afcb24aa1199edb84f0dcc05a4fec1b455fb3d9262ef053a9b6f
Manifest72d20065769956f6d1f3767775d74e15368e737b06e4c22631352aa71f8d4056

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
SignatureXuttR45Xn66o6DJoDpFKWxteg8T1De4vVN9J3DEzOQ1vALg4XWtMeq2PR3XucZzXswTanGU8Z4Xt4rbZItdYBg==
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

2026-09-17T11:27:18.811404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035725
observed 658248dc9dc2afcb24aa1199edb84f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.796674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035725/manifest.json
observed 72d20065769956f6d1f3767775d74e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.779380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035725/publication.md
observed 0a07e29e335d5bff3d51b0bc503fada9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.763617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035725/publication.txt
observed 523ba5c02558e933e9d2c17a63ece738...
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.