OpenTechnical

OT-2026-000073537

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single 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-2026-000073537) never changes.

Identity and time

Publication numberOT-2026-000073537 · never reused
Internal UUID01a0ae92-efb9-752a-a309-2a92672b2987 · 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-2026-000073537
StatusPUBLIC

Content hashes

Canonical text0e415aa623bfb1def4afa436cc0fba683754003128bd2de3f891d24330805703
Markdownfe78c71d7aeaed7b96440ee52194f2d880d3ec5650f30c65364fbb5ac3a2788b
PDF
Publication page7a0aff25761b03ee40055d05f0a2669c6e3a6433028685f06cb35aa0641bb5b3
Manifest3c2f8de183da1e53c616bafa620fa4ec56b3066991c34ce52b1a59f16e5b25a4

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
Signatureukp7iZfor/2RxcrToEnkMGB7tguZVNg8JTwJ2Wn5lgmOMUcztlKpyFgEY/iRsrK4KX8Vb6eXQ0Kgu0rdDK5kAw==
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

2026-09-17T10:21:42.585771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073537
observed 7a0aff25761b03ee40055d05f0a2669c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.567795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073537/manifest.json
observed 3c2f8de183da1e53c616bafa620fa4ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.551629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073537/publication.md
observed fe78c71d7aeaed7b96440ee52194f2d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.534196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073537/publication.txt
observed 0e415aa623bfb1def4afa436cc0fba68...
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.