OpenTechnical

OT-2026-000078033

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum 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-2026-000078033) never changes.

Identity and time

Publication numberOT-2026-000078033 · never reused
Internal UUID01a0ae95-2f44-7578-a02d-21c459f17f08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078033
StatusPUBLIC

Content hashes

Canonical text32b96ea863c49d35a4ca6f63ec270c7cf48d655935fc4dba52cc9badd71f63e5
Markdown8d54edec8c720ecd0f2a44b8305a9182a41da0aaf1d28c10e60d3b262ebffb59
PDF
Publication page487b1ba5aa16ec5a2500d12300cfb99e7b4990e15fd1614990f255a1d3755da9
Manifesta4b50e7f3a91bbca90741cfa23b411f8a05b753120f7016059ad037f74ba3519

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
SignaturejNk9dVZex5OwD3c+JctnBrxzShPgpy+zG9KaJIQ+7fbA1nUNm4uYRUi0DQtBhA5988LY7qxBf/KeJZrDpLXvCw==
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

2026-09-17T10:10:45.029733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078033
observed 487b1ba5aa16ec5a2500d12300cfb99e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:45.009346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078033/manifest.json
observed a4b50e7f3a91bbca90741cfa23b411f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:44.547596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078033/publication.md
observed 8d54edec8c720ecd0f2a44b8305a9182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:44.527384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078033/publication.txt
observed 32b96ea863c49d35a4ca6f63ec270c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.436424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078033
observed 487b1ba5aa16ec5a2500d12300cfb99e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.417982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078033/manifest.json
observed a4b50e7f3a91bbca90741cfa23b411f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.399465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078033/publication.md
observed 8d54edec8c720ecd0f2a44b8305a9182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.381606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078033/publication.txt
observed 32b96ea863c49d35a4ca6f63ec270c7c...
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.