OpenTechnical

OT-2026-000005932

Publication integrity record

Bellows cup vacuum gripper, three zone face, pump fed, vented before set down, plastic cups

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-2026-000005932) never changes.

Identity and time

Publication numberOT-2026-000005932 · never reused
Internal UUID01a0a949-9ff0-7964-ae24-964398e8b32d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:16:09.715169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005932
StatusPUBLIC

Content hashes

Canonical text8fba2821a816bd06cfb1d464fe26d30a336cf0a5920d860727eaf57171191bb8
Markdown157be6fdad83bebed8c86e9a1d9d684d4c6fd952c5be3a4eca2ecacca4d6882b
PDF
Publication pagef5ca57c095080fe87a20fdfc9f15b9dc1b58d10bba6abc9241f23e7986500603
Manifest71b62fd8f54966f6e7fc9a778680c21186d706a7e78e0399de7826dd69adcdb7

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
SignaturedM1P3f8jFA6sQBsSH5mL7WWt9tkdIJDW4ewWFuqdQpLRqO7fg98VSyCkOcHc1AHUurdlC3gbcVO4a9z3Em+/Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:15.931468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005932
observed f5ca57c095080fe87a20fdfc9f15b9dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:15.916837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005932/manifest.json
observed 71b62fd8f54966f6e7fc9a778680c211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:15.902700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005932/publication.md
observed 157be6fdad83bebed8c86e9a1d9d684d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:15.884922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005932/publication.txt
observed 8fba2821a816bd06cfb1d464fe26d30a...
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.