OpenTechnical

OT-2026-000074503

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000074503) never changes.

Identity and time

Publication numberOT-2026-000074503 · never reused
Internal UUID01a0ae93-717a-7bc6-8456-ddeace255764 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074503
StatusPUBLIC

Content hashes

Canonical text69de9395bf85438e9eb02d64d745727b8eb574909e5dc1624146f14d02ecd4c1
Markdown5f57d9b05e996b5e65b2a8e9bf8950464cd155627204791e1da02b16acb241e4
PDF
Publication page6d110f5aab8549d41e3f600319411e58e713d23f829e5590da7bfb450e683de0
Manifestc3894ef6c68efbdd34d41bc6056d558ad1f255342d50a1c854602fd1d8997eb5

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
SignatureRjYotOa9cVo5RciC7IKKgnCmR1z6+d+fZXUAAbecGNVl8qM3v6LNBoMFFNEujtMZsD6jhtDB+rXnBikoBmlcCg==
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

2026-09-17T10:19:28.493516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074503
observed 6d110f5aab8549d41e3f600319411e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:28.476577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074503/manifest.json
observed c3894ef6c68efbdd34d41bc6056d558a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:28.459153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074503/publication.md
observed 5f57d9b05e996b5e65b2a8e9bf895046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:28.440943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074503/publication.txt
observed 69de9395bf85438e9eb02d64d745727b...
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.