OpenTechnical

OT-2026-000069114

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000069114) never changes.

Identity and time

Publication numberOT-2026-000069114 · never reused
Internal UUID01a0ae90-6dce-72e3-82da-ef0d800aac2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069114
StatusPUBLIC

Content hashes

Canonical text2d73e7caf01d3ca1d23ac64036517fbfdc407e37221ebfa26729740d4d9f44ab
Markdown920202bb23dd9d8ec4dfc5dfd0716f1a83e172b058af63f9b837fef906cad4d6
PDF
Publication page51a618deae1ae95a6b77bd8f71dfcc7af3092eb56a9a5c7e9b722a1d0de770aa
Manifestda0d1b901239b0b00661f51cdab7f21e0a4ee626cb946c5eeda5537294546bb8

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
SignaturetiA3c8hPzb3cotp8t7k3ZJkXdN6IsyxWFb9a3VnsHBeGLr1TETVALAm56e+DlJCX088kYWXI2ZD+DHrb8NamDA==
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

2026-09-17T10:28:58.743333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069114
observed 51a618deae1ae95a6b77bd8f71dfcc7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.723147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069114/manifest.json
observed da0d1b901239b0b00661f51cdab7f21e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.697381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069114/publication.md
observed 920202bb23dd9d8ec4dfc5dfd0716f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.669119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069114/publication.txt
observed 2d73e7caf01d3ca1d23ac64036517fbf...
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.