OpenTechnical

OT-2026-000073448

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000073448) never changes.

Identity and time

Publication numberOT-2026-000073448 · never reused
Internal UUID01a0ae92-efb8-7c2f-9395-d492e6a4db53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073448
StatusPUBLIC

Content hashes

Canonical text83e4a9fc1fee04d6f01a0603cfc81c240cee85401c1cdd5f4ae944bab6233938
Markdowned4f97446443dbe114433808096dcc1b6d67fef2cd323f944b55e1ed7c6b72fb
PDF
Publication pagea68f935b284706760e77f634f8733e76086601fb91023cc8a5a3b64bef1cada3
Manifest140fa5069b85616b604f258a9e375f87603e607d54de5e5787b6ced226f46122

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
SignatureokqoFULxG2RNNWjlkH8U77yBjszfaR4Kx17+e6UTllIVtq6scrTpHZdrYtSp/ZHQ9Li8iIg5C6B/uWMXAj5MDA==
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

2026-09-17T10:21:36.580162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073448
observed a68f935b284706760e77f634f8733e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.561046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073448/manifest.json
observed 140fa5069b85616b604f258a9e375f87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.540887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073448/publication.md
observed ed4f97446443dbe114433808096dcc1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.522549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073448/publication.txt
observed 83e4a9fc1fee04d6f01a0603cfc81c24...
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.