OpenTechnical

OT-2026-000072373

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000072373) never changes.

Identity and time

Publication numberOT-2026-000072373 · never reused
Internal UUID01a0ae92-47c3-73a8-94d1-a58667c957e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072373
StatusPUBLIC

Content hashes

Canonical textfeddc54f505433c7b26aa60b3c9649b756beb42a570b54868d94039d03448f39
Markdown25af4e9223d0cd095bf88270463da643c8b0da67d2703f5e9382f16db74d47a6
PDF
Publication page474238344d2985bd98dce4bcf7cbfe63b3986c287af10fe35c5da00854c035f7
Manifesta58f516cd2457a28e013a3a72318dd2abf0e8de32eca3063b6bb37b16b20dabd

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
Signature5smnxRo00CUo3dqdkT+EMAoUJ7/jNadhtGuqKiS8+ODdrG4d9GsN9gaDNEHI5hG94yvQM7/bi3VBwah4jeFtBQ==
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

2026-09-17T10:23:36.619485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072373
observed 474238344d2985bd98dce4bcf7cbfe63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:36.603345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072373/manifest.json
observed a58f516cd2457a28e013a3a72318dd2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:36.586246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072373/publication.md
observed 25af4e9223d0cd095bf88270463da643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:36.567744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072373/publication.txt
observed feddc54f505433c7b26aa60b3c9649b7...
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.