OpenTechnical

OT-2026-000068576

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000068576) never changes.

Identity and time

Publication numberOT-2026-000068576 · never reused
Internal UUID01a0ae90-2482-742f-a90c-c77df1a8b842 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068576
StatusPUBLIC

Content hashes

Canonical textb1bd9490ad8cebbbd0a3648c003b952196925c3f901cbf40387a33db3f6044f7
Markdown6b9f4f89f5be0efac011f2df54fe17a9dc0de5e100ed918e56b98f327b441afc
PDF
Publication page27fe0ba2bf4f265f023fba0210ed4c767e00c69186ad8e449f5b5f31c9f09429
Manifest1d7c8beae3c1dc67864598736c3a543d834f6766c763b76bd27a4080a12e6a6c

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
Signatureusx4xGnvaFAyylkzzz+QQqKzXzbED7y2ygZfvL7BZZMvTzNoXpfqavWbY7AZ6oh4eCijgggnLimDpLdkqWSlDw==
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

2026-09-17T10:29:44.964935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068576
observed 27fe0ba2bf4f265f023fba0210ed4c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.946806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068576/manifest.json
observed 1d7c8beae3c1dc67864598736c3a543d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.929756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068576/publication.md
observed 6b9f4f89f5be0efac011f2df54fe17a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.913581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068576/publication.txt
observed b1bd9490ad8cebbbd0a3648c003b9521...
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.