OpenTechnical

OT-2026-000054347

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000054347) never changes.

Identity and time

Publication numberOT-2026-000054347 · never reused
Internal UUID01a0ae85-b3aa-7084-8dc0-28288f4f8115 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054347
StatusPUBLIC

Content hashes

Canonical text01a462c084dd41d2487b8e8fdd6ac590057031be7c61bc4c9b9cb68fa6a5dbaa
Markdown6890fa17c422274cf867d17c25ba53a7e7fad7c3b8480d3a1d864b3434195acb
PDF
Publication pageb07bbb79a162efea19918046ccae6b062ea6d247dc691b697b655bc8260d6a49
Manifeste67d575ded6c5f81f9b76b05e156ce2fe73e4ed4d623874595ac63660efbece1

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
SignatureBx++ztxhTnCJ+SgmJA+JK44V6mukOr9328TlQ6KPJtNUyksqel6KLMEOSVOsScM9yZfWMETqHvuAJGWY7IbICg==
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

2026-09-17T10:54:51.914030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054347
observed b07bbb79a162efea19918046ccae6b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:51.895087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054347/manifest.json
observed e67d575ded6c5f81f9b76b05e156ce2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:51.874361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054347/publication.md
observed 6890fa17c422274cf867d17c25ba53a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:51.853748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054347/publication.txt
observed 01a462c084dd41d2487b8e8fdd6ac590...
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.