OpenTechnical

OT-2026-000071177

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line 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-2026-000071177) never changes.

Identity and time

Publication numberOT-2026-000071177 · never reused
Internal UUID01a0ae91-e0eb-71ec-bbc3-69644177e617 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071177
StatusPUBLIC

Content hashes

Canonical textcdadfbe03d85f5b30095ce751a771d4dbae30eeb617fb4e430cf3a7c24ac4fe2
Markdown1df5d01d7810a83a75ea97cd218f5d78e8783f9112a5acf98c1fe42764eadea8
PDF
Publication page65d2a386e5f047398aea4d354aa1820abd11dab7946ea6fd3bf347c854935fcb
Manifest81652f3d445814bf2373a78262f7f4630fb6f24e4a4e23caeada9bb939afa45b

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
SignatureAVi27LaX71Li1qw7Sccd1uTEtlaEuVd9qI6dMtGqQ4ht2HQkzZ69NR+87EbrwkXHofdfRoAwMud8zqFjPKRjAg==
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

2026-09-17T10:24:41.415673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071177
observed 65d2a386e5f047398aea4d354aa1820a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.399280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071177/manifest.json
observed 81652f3d445814bf2373a78262f7f463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.381711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071177/publication.md
observed 1df5d01d7810a83a75ea97cd218f5d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.363889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071177/publication.txt
observed cdadfbe03d85f5b30095ce751a771d4d...
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.