OpenTechnical

OT-2026-000072100

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000072100) never changes.

Identity and time

Publication numberOT-2026-000072100 · never reused
Internal UUID01a0ae92-47c1-7f8e-b285-4fdeffc047cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072100
StatusPUBLIC

Content hashes

Canonical textdf56f7524482f3b0791cb87f23283b2f8592533dc0b4ef846287f235a7a44749
Markdownc257010b8a902d9965cd391a0cdd1011220b93311380556fad1bacdc93ae113f
PDF
Publication pagecfc1a401fa8a4829383f14e9a2913a98b24bc2ebded53aacd8937a3ebb8c6d5f
Manifestdfebb6f4939e5d9458b236c5b265c63c1874e028b484b3c8a3fae960ea585fdd

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
Signaturea+u7V5yR6b7xeSMzZg37s/RzQXimpgYAJ7cbHzFT/jIUYclQAbXtAb6n33/svEjQr26sqquUknqmOt/tPkieDQ==
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

2026-09-17T10:23:11.011701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072100
observed cfc1a401fa8a4829383f14e9a2913a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.994430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072100/manifest.json
observed dfebb6f4939e5d9458b236c5b265c63c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.978056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072100/publication.md
observed c257010b8a902d9965cd391a0cdd1011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.960626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072100/publication.txt
observed df56f7524482f3b0791cb87f23283b2f...
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.