OpenTechnical

OT-2026-000054963

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000054963) never changes.

Identity and time

Publication numberOT-2026-000054963 · never reused
Internal UUID01a0ae86-5e80-750b-a178-bb736c47ea4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054963
StatusPUBLIC

Content hashes

Canonical text9af8af1f323488a8a6102913977a76b698ac61db737e35dfd0bd15d93743623e
Markdown49a506d738fb5301d8f10306ff435314121cb2f2f7003892fcd7db537f7be66c
PDF
Publication page65940e5af78b4664e3a6747ca6a9d9272dc965f7830ecb45d6d62ae154dd0eb5
Manifestfb37cd30110b9341aa816d63610858e6bdbfabe1b068a8197b3f8ff9d3f435eb

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
SignatureCTA++O77sufFBkuZm4D2H+lh6EdJnCmNkXXX4FqRWZEx9aVb14Q+g0Jf0LHidi2ckfycPIse48VbtWDn8M3+Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:04.703238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054963
observed 65940e5af78b4664e3a6747ca6a9d927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.684767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054963/manifest.json
observed fb37cd30110b9341aa816d63610858e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.666804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054963/publication.md
observed 49a506d738fb5301d8f10306ff435314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.648390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054963/publication.txt
observed 9af8af1f323488a8a6102913977a76b6...
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.