OpenTechnical

OT-2026-000068737

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000068737) never changes.

Identity and time

Publication numberOT-2026-000068737 · never reused
Internal UUID01a0ae90-6dca-7ec0-972f-db20dae66893 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068737
StatusPUBLIC

Content hashes

Canonical texteeb6e59ccbd31dddb6bcf1c7b99eff823cc6f5e2e307cd1ee5ffa76be00d00cf
Markdown2d401996ee45cc72b58a159536503ff026b25b6d0266dfffa6773a3447b497fd
PDF
Publication pagec794f1d9e3442a2ea9406bec19550d3c799eb20af8274ca2238589d00dcc78dc
Manifesta41a8fcf3f2dbb6ec99da3b8fd5686871a1ee565275a7671614ffa7983b67384

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
Signaturegr1zXBQ+fMUEyKT63RW4vFzcg9KatgARb995LpHRb0bKMrf0GCIX0lWprpkAx+HgGr2aLaLkjYMbMeIH6a37Cw==
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

2026-09-17T10:28:30.851549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068737
observed c794f1d9e3442a2ea9406bec19550d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.831255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068737/manifest.json
observed a41a8fcf3f2dbb6ec99da3b8fd568687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.812670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068737/publication.md
observed 2d401996ee45cc72b58a159536503ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.795531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068737/publication.txt
observed eeb6e59ccbd31dddb6bcf1c7b99eff82...
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.