OpenTechnical

OT-2026-000057527

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, 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-2026-000057527) never changes.

Identity and time

Publication numberOT-2026-000057527 · never reused
Internal UUID01a0ae88-2693-7eee-b2c7-dc251dc860df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057527
StatusPUBLIC

Content hashes

Canonical text9c8a24b01f53090d4ee114c8cb2d1639b622321081ab9b886e68757e6e20c469
Markdown6590a972d2ab381211ef505b3bfb0ffb783d2a883e29486f42454b20c36b8c51
PDF
Publication page3fa82b150ac8520ac56e22f17cb154ec67ef8cb3b991cbecb51a70ca08934229
Manifest41519661c7b23529b4702c2f77a7ddd6d6aa0b7cb5551dc8133a58e2ec6ac91a

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
SignatureX5MhAFoXDHlEoRzS4hJyfP9QXRyc1s6hxUH44z6k500ntrZm+ZiePvBsIrCRgSyIEGzbDWZGsz5AvftyHpZ6Cg==
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...

Independent retrieval

2026-09-17T10:48:03.704241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057527
observed 3fa82b150ac8520ac56e22f17cb154ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.686361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057527/manifest.json
observed 41519661c7b23529b4702c2f77a7ddd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.668545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057527/publication.md
observed 6590a972d2ab381211ef505b3bfb0ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.647869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057527/publication.txt
observed 9c8a24b01f53090d4ee114c8cb2d1639...
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.