OpenTechnical

OT-2026-000074246

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000074246) never changes.

Identity and time

Publication numberOT-2026-000074246 · never reused
Internal UUID01a0ae93-7178-7c2e-94f7-d768c215fb2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074246
StatusPUBLIC

Content hashes

Canonical text5679cc46c49fce9c3beacbd3537e2c025eca94613bdd6f7b38119230c5e6fd6b
Markdownd446ea119fc5eb8699274349d32f84a07d4bf3676be7bd6a574fe5dfd0ae279c
PDF
Publication page4f9873cdc50cd286fba82221d59f606d02cc389d6a1952d996f53f9217534403
Manifest100b84fc486d043c7f6693b23f8da7e87f3a9e22625cb0299975694f518429e9

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
SignaturehJEOZMVXgubh1JbDiRq1o/hTivbOjiuob/EwQ0hXnc0HFSe402kJ54xXIEb/i7OMPcCKwg4rWsd3ZwS/m6EZBg==
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

2026-09-17T10:19:08.473338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074246
observed 4f9873cdc50cd286fba82221d59f606d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:08.453806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074246/manifest.json
observed 100b84fc486d043c7f6693b23f8da7e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:08.434968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074246/publication.md
observed d446ea119fc5eb8699274349d32f84a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:08.414576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074246/publication.txt
observed 5679cc46c49fce9c3beacbd3537e2c02...
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.