OpenTechnical

OT-2026-000016507

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000016507) never changes.

Identity and time

Publication numberOT-2026-000016507 · never reused
Internal UUID01a0ae6e-2d13-7318-95b2-facedb6f59b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016507
StatusPUBLIC

Content hashes

Canonical text098de4fd5acf36720839b8a946526cbeb64be02482a40f5acd9ea59ff0f5670e
Markdownb312c956b03f8d7eca7c57e189dc4552055a078912e2bc395727132b5b7d6142
PDF
Publication pagef133d48b4fbc6dca1558d20f435fbaec58c9d5ff4163c45fb0c25610d88ff3c1
Manifest7796dcbb483ac96af19f66fcbb95b4f4026221152c3d54d92b4b09fea6f44083

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
SignaturejHym0V48ExQCvw1CmTCJ+H8MosndvJPWzEi1FGHUc+JVbUarPVUNlfbSHLa65uyePAVszXu1d1SE3irEo6aIAg==
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

2026-09-17T12:04:43.167756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016507
observed f133d48b4fbc6dca1558d20f435fbaec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.149222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016507/manifest.json
observed 7796dcbb483ac96af19f66fcbb95b4f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.130710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016507/publication.md
observed b312c956b03f8d7eca7c57e189dc4552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.113420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016507/publication.txt
observed 098de4fd5acf36720839b8a946526cbe...
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.