OpenTechnical

OT-2026-000083925

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000083925) never changes.

Identity and time

Publication numberOT-2026-000083925 · never reused
Internal UUID01a0ae98-0418-746c-a29b-88d6a4e3bb3e · 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-2026-000083925
StatusPUBLIC

Content hashes

Canonical text5d777195ecd0e21b241428f61df9510325f0fbb5c534b68c599d552f02d7969f
Markdown717d2a6e5ab38acfb53703861734fb112f5266fb938569fcc7d9448d32153ffa
PDF
Publication page81dc8db151aa1d05f4166691a40e6250709608c9bd458e6395e881fff369f28c
Manifestb452498144a1fa944f31048ddc97d5a2136ba4981ff04cb9375c3601f6a3acf9

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
SignatureoNVLqCua2O90GWfTPUI/fZwvUgizSAT4csv4fRoEIx9VJwS6HC5Y4G9mtYGcbgrHc1YVV+NuwR5q0XqR2E8ZDg==
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

2026-09-17T10:00:25.173265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083925
observed 81dc8db151aa1d05f4166691a40e6250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:25.156012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083925/manifest.json
observed b452498144a1fa944f31048ddc97d5a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:25.137238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083925/publication.md
observed 717d2a6e5ab38acfb53703861734fb11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:25.118311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083925/publication.txt
observed 5d777195ecd0e21b241428f61df95103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.079316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083925
observed 81dc8db151aa1d05f4166691a40e6250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.060837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083925/manifest.json
observed b452498144a1fa944f31048ddc97d5a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.040981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083925/publication.md
observed 717d2a6e5ab38acfb53703861734fb11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.010721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083925/publication.txt
observed 5d777195ecd0e21b241428f61df95103...
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.