OpenTechnical

OT-2026-000088740

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000088740) never changes.

Identity and time

Publication numberOT-2026-000088740 · never reused
Internal UUID01a0ae9b-8f10-772c-b1d2-3b99ee6b6ece · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088740
StatusPUBLIC

Content hashes

Canonical text12e58e7008565ed5d5e470187ce0607c7534289dc15e9ad4880ce30f29390f67
Markdown48581b73ad62dd54c0a9683866f02dbffaa2eb1076db28d5dd1bbcc70ad73693
PDF
Publication page6b66b59528956bbf5c87fe9ebc0f26ade5e1fc7b8c569b5de218e4250d696247
Manifestcd4c26da1f28ae2757174d033849898cff5e2044fbc34ab3c1ea6309ee73b5a5

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
SignatureMtDjbk0K/uTo7bs6WS6lPox8WcGWNFWeXBRYAcnyZA6XUl3imEB8jgI5PEgAg23hNFCMgNO7pYzXn9p7A/1wDw==
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

2026-09-17T09:47:59.137583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088740
observed 6b66b59528956bbf5c87fe9ebc0f26ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:59.119879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088740/manifest.json
observed cd4c26da1f28ae2757174d033849898c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:59.103168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088740/publication.md
observed 48581b73ad62dd54c0a9683866f02dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:59.086697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088740/publication.txt
observed 12e58e7008565ed5d5e470187ce0607c...
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.