OpenTechnical

OT-2026-000031347

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000031347) never changes.

Identity and time

Publication numberOT-2026-000031347 · never reused
Internal UUID01a0ae74-87ac-7627-b783-bec0d3aa39df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031347
StatusPUBLIC

Content hashes

Canonical texte02eda6058993caed0fd365927bb7541fd8d5514a1f2791e4d6701c07e45e6c5
Markdowndce87a90e07989f9adb1e453240680a00741c67e6ba1447dfe476a499b25451a
PDF
Publication page315862000225f6ab62f85267565eed3b97ccd2f2dc5a948b60dd8a2cc79d2f0b
Manifest80606e40fb9deaa4e35125fc3c07d5ac5a0d8aa2eb774cb646120e555ce8968c

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
SignatureAInO+l7/2bPamWF7kWewqpopAs1RjAZLmWCs/R7u7yDpqG/nkip6SjWl5h4nsd4xyd4SO/s3Ab7ALg9xcp6EDg==
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

2026-09-17T11:36:02.737189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031347
observed 315862000225f6ab62f85267565eed3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.719206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031347/manifest.json
observed 80606e40fb9deaa4e35125fc3c07d5ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.699016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031347/publication.md
observed dce87a90e07989f9adb1e453240680a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.680628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031347/publication.txt
observed e02eda6058993caed0fd365927bb7541...
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.