OpenTechnical

OT-2026-000089671

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000089671) never changes.

Identity and time

Publication numberOT-2026-000089671 · never reused
Internal UUID01a0ae9c-1a22-7521-8b48-8f1fb9cfb939 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089671
StatusPUBLIC

Content hashes

Canonical texte94b9ce3c4f3f010bace9bf27611b4489d1d2699fe7d7e7be6d8516a03cfd791
Markdown65f2c0c72cd9f0b56ab75a8c0800987adaab4d5426cb9db8d3cad9a37d6cb168
PDF
Publication page0dc3e9497a49cbb78a3f4bb21bea0e17e445b27875ae7f0324ebaf49774971a1
Manifestce9ae4b090630629570dcef03306ce1bbd44de24d929f04b59627220dae9b0b2

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/C2e1CInzVqGpE4JNBKQSCNLxcOW9vN9y+lR+pWycxObT/zsZIX5w7lWFffNGKGR6ZdvWDr//W4ZlplX3bJBDA==
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

2026-09-17T09:46:40.015359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089671
observed 0dc3e9497a49cbb78a3f4bb21bea0e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.997724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089671/manifest.json
observed ce9ae4b090630629570dcef03306ce1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.981592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089671/publication.md
observed 65f2c0c72cd9f0b56ab75a8c0800987a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.964140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089671/publication.txt
observed e94b9ce3c4f3f010bace9bf27611b448...
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.