OpenTechnical

OT-2026-000013873

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000013873) never changes.

Identity and time

Publication numberOT-2026-000013873 · never reused
Internal UUID01a0ae6d-8de9-75b5-bb8a-f665dcba1722 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013873
StatusPUBLIC

Content hashes

Canonical textfb227fb48f0aac62ed19f83d7b8dc35247e4f77fd5d869402c57085501fd6e9c
Markdown388669631f8c94c24534fc60ab0237986c5fdcc42a09b2f77371682d4ad84f9d
PDF
Publication pageb7af1a458a34c30f9715984b6d3c760918a699832892832b3b52a1a7c3650b30
Manifestfece1324eb8941249dcc3ae6822143d58b8ae03a3e1ada42ce7f70dbc2c0319e

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
Signature70C6TbL9XRpnCgFBI91O30kUq8dPtP7SLKT0g0aLnSbGY9fpM21TBuzxstS4EysNAEP2GmUsj6uIP+PY9rOJAw==
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

2026-09-17T12:08:59.366815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013873
observed b7af1a458a34c30f9715984b6d3c7609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.345553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013873/manifest.json
observed fece1324eb8941249dcc3ae6822143d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.328200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013873/publication.md
observed 388669631f8c94c24534fc60ab023798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.308778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013873/publication.txt
observed fb227fb48f0aac62ed19f83d7b8dc352...
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.