OpenTechnical

OT-2026-000034621

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000034621) never changes.

Identity and time

Publication numberOT-2026-000034621 · never reused
Internal UUID01a0ae76-1ed1-7627-8647-47658b8f1d12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034621
StatusPUBLIC

Content hashes

Canonical text83be292ec713dd1b7f786ee6fa09100cc1c647f964b4c9c28727bc2dd46c676c
Markdownbb724e9f0ece7629617327e24ed4b5e88060559dd321f82ce2e3e75c6fb8407a
PDF
Publication page5398536375e0ad0e3929166a7aaa1116c595a99fdbb2b474d03d255c2ba8e224
Manifest56782893905fd6e941625740b2e9459137b552c4db24c047faa3570e32108eaa

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
SignatureUgqtZzd5ePjgrVCiFLb2pxE8Wdlx0D/H0IWus1Tzd6tpwpQ9/odh1AvwhJ5P+hnRyebJtTOi1/AE73SYxyWWBg==
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

2026-09-17T11:29:00.248991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034621
observed 5398536375e0ad0e3929166a7aaa1116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:00.228892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034621/manifest.json
observed 56782893905fd6e941625740b2e94591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:00.211013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034621/publication.md
observed bb724e9f0ece7629617327e24ed4b5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:00.193944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034621/publication.txt
observed 83be292ec713dd1b7f786ee6fa09100c...
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.