OpenTechnical

OT-2026-000014168

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000014168) never changes.

Identity and time

Publication numberOT-2026-000014168 · never reused
Internal UUID01a0ae6d-b278-70f7-a560-cd7102077993 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014168
StatusPUBLIC

Content hashes

Canonical text2d74b3ab6e65d62ff2291af3e9e9e0c44e9e490e7b1e72b854d44335be55e0e9
Markdownd68634376257202ae8af8956c491519b410f15ae41127822abac634f24abb8d6
PDF
Publication page3ae480858f777477703b9b1f9467eb23ea46f40f13f1681d8ef3855cd84eedb6
Manifestbbbebc4c0bdbe62bf2076cef0c96e61437f316f499aa32c48ebf87192dbea723

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
Signature4kMfCO/KZbh27Wit9NJlorbv1ZNL5Oouiu1T5fszYz/WlNKgBMkR2YUfSVLRd1R+rTWwC1SY1cpu2BCt/hrgDQ==
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

2026-09-17T12:07:15.431564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014168
observed 3ae480858f777477703b9b1f9467eb23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.409698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014168/manifest.json
observed bbbebc4c0bdbe62bf2076cef0c96e614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.391285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014168/publication.md
observed d68634376257202ae8af8956c491519b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.373610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014168/publication.txt
observed 2d74b3ab6e65d62ff2291af3e9e9e0c4...
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.