OpenTechnical

OT-2026-000015623

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000015623) never changes.

Identity and time

Publication numberOT-2026-000015623 · never reused
Internal UUID01a0ae6e-0c4b-766a-a838-4685b0530fba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015623
StatusPUBLIC

Content hashes

Canonical text2f81872dbebf0a2f263ec8af4f490d6977152e7723ad8b91f4fce3e55761d09b
Markdowndafb449747356e8ff5d96c10757ba167f27888ee541b624ee7e673f8e32c7dde
PDF
Publication page405172f7f5091c5720ade6fcb005e80b9218a1b12ce0297e79e1098da1a0b0fd
Manifestcf7dfb6f3ef9aa0e07332141cc6f9bc4247f81b4bb7ac66fccda2e147431414c

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
SignaturepINr9C7l8mUeQzO05IfXaRAo/DYg1Tp6lR0hNxmatL00Si9wrrAACbbRLiXOh3jsrmzQFQt1nm9ZnVVN7+2BAw==
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

2026-09-17T12:04:52.373619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015623
observed 405172f7f5091c5720ade6fcb005e80b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.354556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015623/manifest.json
observed cf7dfb6f3ef9aa0e07332141cc6f9bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.338870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015623/publication.md
observed dafb449747356e8ff5d96c10757ba167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.319946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015623/publication.txt
observed 2f81872dbebf0a2f263ec8af4f490d69...
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.