OpenTechnical

OT-2026-000021546

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000021546) never changes.

Identity and time

Publication numberOT-2026-000021546 · never reused
Internal UUID01a0ae6f-865e-7553-b6f3-7f74eddce5ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021546
StatusPUBLIC

Content hashes

Canonical textaea59f60b60040e0d297bbb0f5e32b0ca3dd7a8d8b777c09c27056cfa68475ba
Markdownd05d7925aa1720c6fb32e773f7f1676662a2a57ca758b097f321af4408d49b66
PDF
Publication pagee477d490b790d51b130aa80ef6fde885348df4ad0f208e1c7b96a13d3cc29e63
Manifest3b7d29b8bf637e8a41e8b14059eb5eb34d79fe1de09cb59adf60ebb2da895f57

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
Signature+q7lozVbv9t8i1DCJ5OddBouepLh6ai1C7FuEFTSTy1g9P33tpyDGwaUzunsz40G6ntT1FSeINHHHvrM9YPjBw==
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

2026-09-17T11:55:28.056218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021546
observed e477d490b790d51b130aa80ef6fde885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:28.035831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021546/manifest.json
observed 3b7d29b8bf637e8a41e8b14059eb5eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:28.015642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021546/publication.md
observed d05d7925aa1720c6fb32e773f7f16766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:27.997755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021546/publication.txt
observed aea59f60b60040e0d297bbb0f5e32b0c...
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.