OpenTechnical

OT-2026-000040708

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000040708) never changes.

Identity and time

Publication numberOT-2026-000040708 · never reused
Internal UUID01a0ae79-6d0f-7e58-8622-c884f2cb9d24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040708
StatusPUBLIC

Content hashes

Canonical textb1bdb1cd653b3cfe14784c25568102108485309e56248381fdbd8854d72a9311
Markdownae1c99224a413332d1597ccef6528d743d412f9c7fdc46364f7ac5922a7c6c3c
PDF
Publication page7b9bef26206778a581e10a0a0912bea3a0c454b2dfece5d5ee856b410ab7d631
Manifestc2c5268df5bd5d2c30946dbef3b2e3b13efb447937ab3d61688a275ac0cbdda9

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
Signature/VBjc+J7EXHdqJJXGmTl32v5EztjVVU+QJokhujHum1tqPQ+m9y5j3j0a4Q7pVyMr3OJnDu26U78trH3QYv5BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:54.565743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040708
observed 7b9bef26206778a581e10a0a0912bea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:54.549385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040708/manifest.json
observed c2c5268df5bd5d2c30946dbef3b2e3b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:54.532055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040708/publication.md
observed ae1c99224a413332d1597ccef6528d74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:54.514398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040708/publication.txt
observed b1bdb1cd653b3cfe14784c2556810210...
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.