OpenTechnical

OT-2026-000008945

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, sustained 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-2026-000008945) never changes.

Identity and time

Publication numberOT-2026-000008945 · never reused
Internal UUID01a0ae6b-31b7-7b6a-942f-b3eea02087dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008945
StatusPUBLIC

Content hashes

Canonical textb0ea9d9f9e3ab02a0925c1bb9a63ef02a94d38e21e02974cdcdc37f8ef62ef9f
Markdown548117ae9228203d9e1a1f1657e787f33c190b061ddffa5096fe536f273b5556
PDF
Publication page19f00a0c7f399961782160af97f71a9d8523ca55707e98ee2f1a89c4953d22d8
Manifest0abe267c094daf7d7851d12a73812adce7d7cad1b2614c4c4b54a212ff7b6f71

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
Signature5K5efndw61RDXFDi3/p7FoPuB2Du2ahV8fIwIIgJwvyIz/mYLzGhh6sm3s/pXN4LiJjIb/vuvYLxImIU/coQCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:33.486149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008945
observed 19f00a0c7f399961782160af97f71a9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.466861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008945/manifest.json
observed 0abe267c094daf7d7851d12a73812adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.444742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008945/publication.md
observed 548117ae9228203d9e1a1f1657e787f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.423757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008945/publication.txt
observed b0ea9d9f9e3ab02a0925c1bb9a63ef02...
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.