OpenTechnical

OT-2026-000079436

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented 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-2026-000079436) never changes.

Identity and time

Publication numberOT-2026-000079436 · never reused
Internal UUID01a0ae96-0b91-7749-9fdb-72ec6198a31c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079436
StatusPUBLIC

Content hashes

Canonical text3377d980f6a0598ad4abdc639b690f28c49ebda718bf7981080bb13e2fb139e8
Markdown9832826d6135c1cb132168871eda236772b1b197bc400a410f3ac2d448ca089a
PDF
Publication page56e7a40b52db4a288fbe933ea4d835cab08868ad09bf4d7bf87d298a9205bc21
Manifest8738cb19cbb6955571c1b559792b1b9868efc8ffb03ab79046d7f0fc96339e8c

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
Signaturecmc0hisZAafnAGZfiJSPVmwOWpPcs6npDhdmTYY/jlmUyX1fCnzDtMfEJ5TM3MjJCLVvTRe401JZzveC5Pn2Aw==
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

2026-09-17T10:04:43.994986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079436
observed 56e7a40b52db4a288fbe933ea4d835ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.978179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079436/manifest.json
observed 8738cb19cbb6955571c1b559792b1b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.959946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079436/publication.md
observed 9832826d6135c1cb132168871eda2367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.941547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079436/publication.txt
observed 3377d980f6a0598ad4abdc639b690f28...
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.