OpenTechnical

OT-2026-000048604

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000048604) never changes.

Identity and time

Publication numberOT-2026-000048604 · never reused
Internal UUID01a0ae80-4de8-76b9-b8e9-c01b14c0aca4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048604
StatusPUBLIC

Content hashes

Canonical text3702351ee8cdf185748fcafc484f094dc7d4a24484be22238691c09ba7bfc7fe
Markdown6a14a1d4407e531033457b2689d15dec83157602d8cbc6dfee526cbe65dd9070
PDF
Publication page6073ad5c89894c22c0d7ac0078441ec3d55964fb463415cdb9a8c0b78c86ec3e
Manifest03272fafd0ecb1f71ff7a8dd3fda59500bc5bbe00dd81a56954713ebe3c2e8d6

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
Signature4KApWtwU7ZmzQ6rutUBDhgbxGLUfo3TNtrI3gfNgqCsG+Qds0PsFB/bc+9fQQajKdrpBd5E/jTyAO/PrgOpUBg==
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

2026-09-17T11:05:25.110008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048604
observed 6073ad5c89894c22c0d7ac0078441ec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.088712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048604/manifest.json
observed 03272fafd0ecb1f71ff7a8dd3fda5950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.069393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048604/publication.md
observed 6a14a1d4407e531033457b2689d15dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.050575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048604/publication.txt
observed 3702351ee8cdf185748fcafc484f094d...
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.