OpenTechnical

OT-2026-000074356

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000074356) never changes.

Identity and time

Publication numberOT-2026-000074356 · never reused
Internal UUID01a0ae93-7179-7b8c-971a-76fe9d8276c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074356
StatusPUBLIC

Content hashes

Canonical text3a5ba917a4eedde3b77bb674bb9be01f4d956890d2f4bc2f2b85ee321e00ee8a
Markdown43be2e54f8e2731440ab178c6bf4d58cc18e037b083fd73c69f14a80d3ef7b9a
PDF
Publication pagedc0482fb7fcc16cf17e6958eb22d622fba50bcb0d9e72e11b773d79ab0427892
Manifest0b3e21c73120b1aea7a4c22b76d72da133f57fc087cdf95d12745fa4c411e8af

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
SignaturemCEE3XnBMqDVE2uDalC6IGktaMIAGLPEYAH46W5pjUvusm9w+W8x8TAdRiMKpsrTJSEPKMlElz21kGQT25pvDg==
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

2026-09-17T10:19:14.648736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074356
observed dc0482fb7fcc16cf17e6958eb22d622f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.630394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074356/manifest.json
observed 0b3e21c73120b1aea7a4c22b76d72da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.611708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074356/publication.md
observed 43be2e54f8e2731440ab178c6bf4d58c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.573572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074356/publication.txt
observed 3a5ba917a4eedde3b77bb674bb9be01f...
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.