OpenTechnical

OT-2026-000045787

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000045787) never changes.

Identity and time

Publication numberOT-2026-000045787 · never reused
Internal UUID01a0ae7d-8f05-734e-8517-a51db93540b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045787
StatusPUBLIC

Content hashes

Canonical text398c17facb4e2dd6609609c469c59f372d4f43d608f87afa4c1adcfcf5d4ec32
Markdownaa970259a21afc01d664ddeafe532f37c7afb5ab7008cc8051313ef98e2e5b4d
PDF
Publication pagee33ba0f5e6a03cf11861dd65a871dbb5ec0a4fab23ef904875ca0cbf2d05e88f
Manifest09961ab0b0ea683ae00494936a92331ac8e8013b69ef4d8388222cdf1f307a61

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
SignaturecjxP3WE4s8TNUb7Iq0Z52SAFMMWhAZhd/A5x9bT5OTyXJKQkD2EBpzb+xbE6+U2PiQGRQ4vHfwP8bVwcrOJbAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:09:38.969000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045787
observed e33ba0f5e6a03cf11861dd65a871dbb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.950679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045787/manifest.json
observed 09961ab0b0ea683ae00494936a92331a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.931799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045787/publication.md
observed aa970259a21afc01d664ddeafe532f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.912216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045787/publication.txt
observed 398c17facb4e2dd6609609c469c59f37...
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.