OpenTechnical

OT-2026-000043632

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, pulsed blow-off after set-down

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-2026-000043632) never changes.

Identity and time

Publication numberOT-2026-000043632 · never reused
Internal UUID01a0ae7b-92d0-757c-8253-710a0a7dcbb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043632
StatusPUBLIC

Content hashes

Canonical text0ec1f0a18e85eb92a3ad53aead0e32562593f58a5c074c851fdf5d879fc1439f
Markdown78c840b5371a1cd02895702df8e47c76b1a24790f465494bc88781fb911cff8b
PDF
Publication page37a100fffe01b80a51bde6583c0f88f3f45ead52b7644da1b495b905c889221b
Manifest9a498d033b649a3630b831fa23fe31e60720a689964f91f66349ff7db114aa85

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
SignatureRB9CRLq70IPPueqxEY0Uol9rWEFSGIisn9wUwH9gMB9ncq8S/C2Y3ENGVZ58aWsQLDCznqLElnKM044Qnhz0DQ==
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

2026-09-17T11:13:06.356851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043632
observed 37a100fffe01b80a51bde6583c0f88f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:06.337532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043632/manifest.json
observed 9a498d033b649a3630b831fa23fe31e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:06.314651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043632/publication.md
observed 78c840b5371a1cd02895702df8e47c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:06.292308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043632/publication.txt
observed 0ec1f0a18e85eb92a3ad53aead0e3256...
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.