OpenTechnical

OT-2026-000073658

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented before set-down

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-2026-000073658) never changes.

Identity and time

Publication numberOT-2026-000073658 · never reused
Internal UUID01a0ae93-2b8c-7523-b07c-7285989bd10c · 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-2026-000073658
StatusPUBLIC

Content hashes

Canonical textae84a33dede9521a408a9ba4810452a00e05233f52ea5926f975b467583b6ba3
Markdown6d7f90d91bc9b441e8e36f290b524e13db5a8c864505d15615eb98523b02b319
PDF
Publication pageca32d2d1fff58ff6aa8ba68ccc0c829155d5d37d12c9265c10e658b2ac297a4c
Manifestcf6204feae7b0421039deb9bc626ea5d6734b8f835b62a2359ed96506601043d

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
SignaturelyG80/mzJlCD7zekasxzLQMqdAGvcYOBRay1fZ48VmAneXt1cnWYg7rknyUogXd5mvy1e6AUu3PDoheKu0rjBw==
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

2026-09-17T10:19:42.576315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073658
observed ca32d2d1fff58ff6aa8ba68ccc0c8291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:42.558650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073658/manifest.json
observed cf6204feae7b0421039deb9bc626ea5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:42.540508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073658/publication.md
observed 6d7f90d91bc9b441e8e36f290b524e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:42.521019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073658/publication.txt
observed ae84a33dede9521a408a9ba4810452a0...
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.