OpenTechnical

OT-2026-000075570

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000075570) never changes.

Identity and time

Publication numberOT-2026-000075570 · never reused
Internal UUID01a0ae94-29fc-7f5a-8f25-4ef1bb3fc011 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075570
StatusPUBLIC

Content hashes

Canonical textc04a46742ce525552b0d3a353596e6213064721f89c688a584f140957ab430a2
Markdown0df4000dc2609f157c35d9ad98c1b0fa1425aa4d5e3d87cf701e70a25df5ed22
PDF
Publication page11973fd71c4036c1f4d1f2ff1db8d10cc4d853d4ac437f971b132dae6694c2f2
Manifestd9fc3c20d631b8d2038e0b027a550b0cb5945eceadd48dcd2053afa2459e96d1

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
SignaturekN5pX+WUQrXlv9qEy5E/zB+tfR8Baxe5iJsXQgKsBpGJi4lTMoa5HOprwv3wHaHJfdx5DV474yLQ49y3nKhnAw==
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

2026-09-17T10:13:09.987620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075570
observed 11973fd71c4036c1f4d1f2ff1db8d10c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:09.966997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075570/manifest.json
observed d9fc3c20d631b8d2038e0b027a550b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:09.947228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075570/publication.md
observed 0df4000dc2609f157c35d9ad98c1b0fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:09.801936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075570/publication.txt
observed c04a46742ce525552b0d3a353596e621...
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.