OpenTechnical

OT-2026-000026488

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000026488) never changes.

Identity and time

Publication numberOT-2026-000026488 · never reused
Internal UUID01a0ae71-f4a8-7cef-8140-5c06cad96b5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026488
StatusPUBLIC

Content hashes

Canonical text5162ab3f2866d8db39f8733ed66650920f242542f56daeb8337c6729955392b7
Markdowna4bed5fd1e26ea9372123e18159e65c269012c15442c8d6f3201e70a7268aed1
PDF
Publication page181f0ab0f77a86b27be2b685f254c0d33d6babec127a15c112146330c95a3ee2
Manifest08046aae1e4769b43d1bc9e49ccc0663cda97bea4aad69e2c9b580cf0b337fc5

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
SignaturewO+fMB6EEEl6itXT63lxD7++F0C28qUYJhfYHO/2coC4lE/wo8SI9Upa4ReTD1Y+xKFUFbk1fS93V3E7tBF5DQ==
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

2026-09-17T11:44:36.827685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026488
observed 181f0ab0f77a86b27be2b685f254c0d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:36.808550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026488/manifest.json
observed 08046aae1e4769b43d1bc9e49ccc0663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:36.690691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026488/publication.md
observed a4bed5fd1e26ea9372123e18159e65c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:36.670705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026488/publication.txt
observed 5162ab3f2866d8db39f8733ed6665092...
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.