OpenTechnical

OT-2026-000070900

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000070900) never changes.

Identity and time

Publication numberOT-2026-000070900 · never reused
Internal UUID01a0ae91-8c2d-7c66-821d-c18544eb1fc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070900
StatusPUBLIC

Content hashes

Canonical textb4a1d9918537fc4e6714b2361a3205f8f03c7ad00148deab498c2b66f5863a55
Markdowndfc1667369eebaab5502c98fc3865968a57013ba41a8c07fbd233d0db1d31cf5
PDF
Publication page8a3b29263ae93d0697979db059c7a9cf99317168307060b8fbd6f9e583a19a4f
Manifestbba56a99bb85e7183c6f4f1096a995fa32853c3f0d8aff03570dd0c92d131448

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
SignatureZjhzrj2ZwsMJUYGLuCuwSyY+kFd8aysr2jhQfOclfNoowN92wz2MRA7qkdiqFF24ZQTO+roUpDywJ6TV6M4SDw==
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

2026-09-17T10:25:43.709635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070900
observed 8a3b29263ae93d0697979db059c7a9cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:43.692651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070900/manifest.json
observed bba56a99bb85e7183c6f4f1096a995fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:43.675909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070900/publication.md
observed dfc1667369eebaab5502c98fc3865968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:43.659298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070900/publication.txt
observed b4a1d9918537fc4e6714b2361a3205f8...
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.