OpenTechnical

OT-2026-000077764

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-2026-000077764) never changes.

Identity and time

Publication numberOT-2026-000077764 · never reused
Internal UUID01a0ae95-2ed0-78b2-b519-0cd237ab7b27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077764
StatusPUBLIC

Content hashes

Canonical text882a2acdff2a085648d75eda506e2137676c053baed54e421dc2f8fc92ae050b
Markdowne88e493ca95647350f68dcc67c3cc962da49bdcba7ad44e8e76631622b315ab3
PDF
Publication page1d717b58149ded9ef1abd202b81e1ebc9545935e155fd6dfa0877a9e5f817607
Manifest824fe78035bd13846945a7bb53b171dc32c78891aeeb9f1fc509641a50fa82b9

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
SignatureyeXxbcwrRZITF4tC8Kk2k6/GT7riAcgTxc7+LQA8jtxxAoYTeXTtMybpkvA+20ilapMnqudZDC14rb41YmtZAg==
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

2026-09-17T10:06:56.826942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077764
observed 1d717b58149ded9ef1abd202b81e1ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:56.809912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077764/manifest.json
observed 824fe78035bd13846945a7bb53b171dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:56.791433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077764/publication.md
observed e88e493ca95647350f68dcc67c3cc962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:56.774212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077764/publication.txt
observed 882a2acdff2a085648d75eda506e2137...
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.