OpenTechnical

OT-2026-000074060

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, 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-2026-000074060) never changes.

Identity and time

Publication numberOT-2026-000074060 · never reused
Internal UUID01a0ae93-2b8f-7f94-8058-3e3f6305f108 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074060
StatusPUBLIC

Content hashes

Canonical text63d870a03d11ba5e83a66cd4e7407f363dd2625dc0343801a0dffd656631f377
Markdowndfb54fe235003f399a850e4bb320c2433ba029ce9cf3337867800579405512aa
PDF
Publication page12850e15ca97b92ced7df64350fe62e05255247e23c737fc5f5b52f0096f17cf
Manifestc79d3ecbb8face275f5939ca6a4ac405c59cc23e3548722305db5892a6d8220f

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
SignatureZAKz/mKCPlHg9/AvjbUtnqo3MLnPqot0AHT/XtXbK0CTxRrQFheH2vmSBmacg5R9z8fPRpN7TbG5jhQcyz/CBw==
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

2026-09-17T10:20:23.326876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074060
observed 12850e15ca97b92ced7df64350fe62e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.308932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074060/manifest.json
observed c79d3ecbb8face275f5939ca6a4ac405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.290027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074060/publication.md
observed dfb54fe235003f399a850e4bb320c243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.266229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074060/publication.txt
observed 63d870a03d11ba5e83a66cd4e7407f36...
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.