OpenTechnical

OT-2026-000091925

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000091925) never changes.

Identity and time

Publication numberOT-2026-000091925 · never reused
Internal UUID01a0ae9d-43bb-72e3-a3b6-0327ed041a3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091925
StatusPUBLIC

Content hashes

Canonical textf44d600f5f084cdaa885d3190c2867fd0fe84d23a86888ea818236d62ce9cd4e
Markdownabcb126b512abb662a4b560e19a39dea90635d80c9aabeb73d03eb3da679bb6b
PDF
Publication page6df71e7234e8d5927cf93cab47b8528244370338a76e93b21986ca43558cd32a
Manifestcfd5d4cf2ccfe0f95af44b172bb83e3431fca710f50f263da282c0dfc0db84d0

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
SignatureotvEfR0SJMzftehtmCIbXxM+3hx6D/4fkYYHuCF2Mrhbx9QeJlufvzDei+eZRKoN9gVzlY+aLsEiytrwSB6SAw==
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

2026-09-17T09:42:52.092859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091925
observed 6df71e7234e8d5927cf93cab47b85282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.074486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091925/manifest.json
observed cfd5d4cf2ccfe0f95af44b172bb83e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.057175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091925/publication.md
observed abcb126b512abb662a4b560e19a39dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.040433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091925/publication.txt
observed f44d600f5f084cdaa885d3190c2867fd...
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.