OpenTechnical

OT-2026-000068914

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000068914) never changes.

Identity and time

Publication numberOT-2026-000068914 · never reused
Internal UUID01a0ae90-6dcc-7304-83b2-c8433f4d4b52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068914
StatusPUBLIC

Content hashes

Canonical textb61c914f297869d46c1422f14726ec2925e4acf8144fd9c1d3d1bda80f8bf3a6
Markdown7b371befca65a53a56d607a0466ed84ddfede0292c27356375237b2bb0b8cfa1
PDF
Publication page448351cd0c933d19915c868f6c808a2a22c35f66fdf4242ffb72043f47356463
Manifest4791c232966152a0507db83b495023a2060635c5c800836ef7b72634943e442b

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
Signature5LfdIB5j2wbKrlqvLEdqayLctWJVaIz+xbIoegbqMgQcuyJ5xkTvpbhUVE1oMYpG8/UrZgp6VTho5hjElL1YDg==
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

2026-09-17T10:28:44.377049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068914
observed 448351cd0c933d19915c868f6c808a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.358591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068914/manifest.json
observed 4791c232966152a0507db83b495023a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.341014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068914/publication.md
observed 7b371befca65a53a56d607a0466ed84d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.314046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068914/publication.txt
observed b61c914f297869d46c1422f14726ec29...
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.