OpenTechnical

OT-2026-000037637

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000037637) never changes.

Identity and time

Publication numberOT-2026-000037637 · never reused
Internal UUID01a0ae77-b8cf-7080-a820-9fd9cfb06fd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037637
StatusPUBLIC

Content hashes

Canonical textafcec37521ff8d23e521963a973924406d813403b4201e1a5cab8e2cc8716ba3
Markdown4ac0039c19242bc163ed88f23c02fe1c8afa5b9990f6809345c7fb3bc9d487fc
PDF
Publication page6986cfd351f22a5fc9d7a36a0d6b07499382ab0d49fb4bb643b946939b8d04ea
Manifestc968fa2ebc5885d2213b1caaab241cf2cff480e56aa3ef4fa000402c67d2a3a2

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
Signature81viez+Pc1w8kWaBEdfr9sjFubGhNHpQNBhVxQb5hlxMaHCTH85yuXu5U0LNSVZnJevitrQP1yoZ6QvY3rwbAQ==
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

2026-09-17T11:24:12.360291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037637
observed 6986cfd351f22a5fc9d7a36a0d6b0749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:12.342447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037637/manifest.json
observed c968fa2ebc5885d2213b1caaab241cf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:12.324351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037637/publication.md
observed 4ac0039c19242bc163ed88f23c02fe1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:12.306664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037637/publication.txt
observed afcec37521ff8d23e521963a97392440...
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.