OpenTechnical

OT-2026-000076007

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000076007) never changes.

Identity and time

Publication numberOT-2026-000076007 · never reused
Internal UUID01a0ae94-2a00-7351-93c7-6e0274240681 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076007
StatusPUBLIC

Content hashes

Canonical text6618286d3eb940a2ef1d69bcc6d0e820338325c83b684188303bf9d14b7ed8d0
Markdown16f0637f98d1150790c645b474240bebb87a1a1db256fbff17ddc2d5db4ea97b
PDF
Publication page635e78872c0e947c3223df9910c46cce466e9e64b870ccce66121f2cddb658a9
Manifest2ab83c79be340f27ce22ae3d595747521d04dc537e8de59abd2b6fe07932f0ac

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
Signature4ffn8oH3O8CCjB25Cpz62ES5KAM2dOXg/yoqR9ZDFtDYXIvgXJGLPi8vG4NPEjT4T3sr9NIivVsEDNSgYXtvCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:15.571586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076007
observed 635e78872c0e947c3223df9910c46cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.552723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076007/manifest.json
observed 2ab83c79be340f27ce22ae3d59574752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.531644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076007/publication.md
observed 16f0637f98d1150790c645b474240beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.511073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076007/publication.txt
observed 6618286d3eb940a2ef1d69bcc6d0e820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:06.546689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076007
observed 635e78872c0e947c3223df9910c46cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:06.528843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076007/manifest.json
observed 2ab83c79be340f27ce22ae3d59574752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:06.510031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076007/publication.md
observed 16f0637f98d1150790c645b474240beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:06.492192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076007/publication.txt
observed 6618286d3eb940a2ef1d69bcc6d0e820...
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.