OpenTechnical

OT-2026-000083917

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, sustained 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-2026-000083917) never changes.

Identity and time

Publication numberOT-2026-000083917 · never reused
Internal UUID01a0ae98-0418-71da-92e0-1fe2102cb555 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083917
StatusPUBLIC

Content hashes

Canonical textcbc43fd3fd3fef42a1d2ead4ef8d207a4f7f77cb8847beaea94ed6f97214573d
Markdown99a49d191d07ef2cf94a465e57087f1f224b96d7a0ff0a0589c570941ddf7e10
PDF
Publication pageaba14d9753e2072ba2c1605684cce4f3e33c38cf7937de0bc75cff42ed2d4f42
Manifestf9d4c3e0fc53fdc10d11e15cb268f8517738862581abf80caf080af7a997afaf

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
SignatureCte2QRekD/lIMgRc70A3xoP26PShcfbhGDkOTWOWRR3Ce5T1rqvW8K5Sq5yUr6bO1Iy1oUvWDQZ00wZwwddBCA==
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

2026-09-17T10:00:24.549763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083917
observed aba14d9753e2072ba2c1605684cce4f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:24.531517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083917/manifest.json
observed f9d4c3e0fc53fdc10d11e15cb268f851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:24.511064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083917/publication.md
observed 99a49d191d07ef2cf94a465e57087f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:24.486688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083917/publication.txt
observed cbc43fd3fd3fef42a1d2ead4ef8d207a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.402684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083917
observed aba14d9753e2072ba2c1605684cce4f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.385519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083917/manifest.json
observed f9d4c3e0fc53fdc10d11e15cb268f851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.369232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083917/publication.md
observed 99a49d191d07ef2cf94a465e57087f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.351254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083917/publication.txt
observed cbc43fd3fd3fef42a1d2ead4ef8d207a...
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.