OpenTechnical

OT-2026-000069887

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000069887) never changes.

Identity and time

Publication numberOT-2026-000069887 · never reused
Internal UUID01a0ae91-1860-7e18-8b60-fc0afc2fd498 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069887
StatusPUBLIC

Content hashes

Canonical text96b4dd7e4e4e49a9ff96080bda2ff990b82d26606df29afdb4ca41fa86794e90
Markdownf775b4299349832070f49e3cb3866d7009776b035e0589c30cc31f0ccd79cd94
PDF
Publication page76e96bebdb04081f77afdb9b8d17b0f3c5ebefc5ac77c14cda45ec2833901b2e
Manifest6fba21783d54328bcb7cd4068e3b88788d9221e020bdc05b3518e0706273cdc0

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
SignaturexrBOiNLc4nyZ8oO5fIn0o+U8+x79tv5KMvOMFhyPmoS6NJ1j/ehp3R2jsMuGpwAFwIf+MpmLFs2kU0I6KqzsBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:43.158067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069887
observed 76e96bebdb04081f77afdb9b8d17b0f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.139923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069887/manifest.json
observed 6fba21783d54328bcb7cd4068e3b8878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.122379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069887/publication.md
observed f775b4299349832070f49e3cb3866d70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.103669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069887/publication.txt
observed 96b4dd7e4e4e49a9ff96080bda2ff990...
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.