OpenTechnical

OT-2026-000074849

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000074849) never changes.

Identity and time

Publication numberOT-2026-000074849 · never reused
Internal UUID01a0ae93-ac2c-72c5-b086-e7a84e4629e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074849
StatusPUBLIC

Content hashes

Canonical textbacee523b24c8666d5afaba946dcf1dc6a8977eec87c64a507d64f16a474cccc
Markdown6585ec0ec23c18f133a1eb4632b09e1522c64941af8cd248e5e559c18fad0383
PDF
Publication page2cbb1c919264cb2769b5e45e68b35548353df169057aaa83818ce28f0c1c4bd4
Manifest8813512361ae2d881ea154c7b6e936048d3362c358d4462b40c363a40f2115c4

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
SignatureDT8hE+DETsNFllXN5kQ1fC4ETxkW5w49aEFCTDlrEekl5jF606SyuXRNUduLcD0H8mn4GdpbXqmoiZ8WE5coBA==
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

2026-09-17T10:18:33.750485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074849
observed 2cbb1c919264cb2769b5e45e68b35548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.733882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074849/manifest.json
observed 8813512361ae2d881ea154c7b6e93604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.717443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074849/publication.md
observed 6585ec0ec23c18f133a1eb4632b09e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.700760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074849/publication.txt
observed bacee523b24c8666d5afaba946dcf1dc...
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.