OpenTechnical

OT-2026-000067821

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented after 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-2026-000067821) never changes.

Identity and time

Publication numberOT-2026-000067821 · never reused
Internal UUID01a0ae8f-c4fb-775a-ae34-4b533f839b0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067821
StatusPUBLIC

Content hashes

Canonical text58d6517fd495b05bea01383afe08b14c7a82064bae7c9ea7a467cf4283e46d70
Markdownd2fb2b28c586d558c1f0aaf1d9d8eea6d7f672dcf58712e470db3688c3e975bb
PDF
Publication pagecd7d2d13a65cf6b0bc6c7727038a863483b607c13dce55110c51602c6e443d97
Manifestacf372eb8aa3270526074bbca200d48a012716b6953e3d0dc505c57e29a66037

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
SignatureuzFK3N+HcPqXr5J1RR0WLELI5EDfhp+HnP8djW8PyOEXVikHaD9igrpH9SJvaWltth05AC9pwAAAhkG2IjrMCA==
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

2026-09-17T10:30:04.147381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067821
observed cd7d2d13a65cf6b0bc6c7727038a8634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.126750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067821/manifest.json
observed acf372eb8aa3270526074bbca200d48a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.104821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067821/publication.md
observed d2fb2b28c586d558c1f0aaf1d9d8eea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.083636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067821/publication.txt
observed 58d6517fd495b05bea01383afe08b14c...
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.