OpenTechnical

OT-2026-000088159

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000088159) never changes.

Identity and time

Publication numberOT-2026-000088159 · never reused
Internal UUID01a0ae9b-1aa8-731a-8ed0-22b960d10ab9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088159
StatusPUBLIC

Content hashes

Canonical textc8da8c16ff64bcb498d21a969843604a4424f31ca601dc14b83eb3c50a4d1a23
Markdowna4c38bc10b57661e54fb08a4f028b08fce4499d9513cf80945b4a481d6e42ed1
PDF
Publication page13455123605a0fffe81cf5d0c02ea0393a00d6f2dec2bbecce3743e786cb0b98
Manifest3c98d2cdbc298192f46b0733202c64f118796c3b73c6466db4405f2de9db4629

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
SignatureVH5cCkAA7e5/I78KhZ59CKFwbL+FG3EwS3oCUMJ0ucUlvJ4jMJMZ6PNpaSRm3f8GbmPJiaZFcsCxBZqyUtFfBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:11.998064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088159
observed 13455123605a0fffe81cf5d0c02ea039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.981984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088159/manifest.json
observed 3c98d2cdbc298192f46b0733202c64f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.962781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088159/publication.md
observed a4c38bc10b57661e54fb08a4f028b08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.945422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088159/publication.txt
observed c8da8c16ff64bcb498d21a969843604a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.327227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088159
observed 13455123605a0fffe81cf5d0c02ea039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.311542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088159/manifest.json
observed 3c98d2cdbc298192f46b0733202c64f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.295488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088159/publication.md
observed a4c38bc10b57661e54fb08a4f028b08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.279351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088159/publication.txt
observed c8da8c16ff64bcb498d21a969843604a...
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.