OpenTechnical

OT-2026-000062892

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000062892) never changes.

Identity and time

Publication numberOT-2026-000062892 · never reused
Internal UUID01a0ae8c-94a8-7a21-977a-40d02793dbcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062892
StatusPUBLIC

Content hashes

Canonical text0a2f7797d54d888afabba0598173eab67e1c4d9dd859d5c3d7749e4d32756840
Markdown8d5e6b2bba5c4cd78cd77cf13791e3281a99ccac3b0435b58f87ae8f72fa9274
PDF
Publication pagef919d252fa986f56109facc87f02b509249637b725d2ff243ddcd4e2c86edcc3
Manifest797aa6d80006c23a4b7debeb07165ad28128e19e067c81a43bf7dbe77e7baaf7

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
SignaturebV+Iwf6TYWq0cR9Ff9Sss+c9Exjbu3zvmztcg9hg+REUJxKPxt/PQJh9EpW4fKOSF0I7x4ZxYVO6uMzhtpKTDw==
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

2026-09-17T10:40:15.537383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062892
observed f919d252fa986f56109facc87f02b509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.515763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062892/manifest.json
observed 797aa6d80006c23a4b7debeb07165ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.496201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062892/publication.md
observed 8d5e6b2bba5c4cd78cd77cf13791e328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.476549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062892/publication.txt
observed 0a2f7797d54d888afabba0598173eab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.936132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062892
observed f919d252fa986f56109facc87f02b509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.917855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062892/manifest.json
observed 797aa6d80006c23a4b7debeb07165ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.900055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062892/publication.md
observed 8d5e6b2bba5c4cd78cd77cf13791e328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.882250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062892/publication.txt
observed 0a2f7797d54d888afabba0598173eab6...
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.