OpenTechnical

OT-2026-000102723

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000102723) never changes.

Identity and time

Publication numberOT-2026-000102723 · never reused
Internal UUID01a0aea4-858b-70f4-abb1-e278815a4854 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102723
StatusPUBLIC

Content hashes

Canonical text826251c76fad0aa0cb3bc1033157487bf6575d6452c6d9d0b64a2b758eff45e0
Markdownc4071c21fef4ec5a052adcebb05981a871de638b5accc5a3592860a52db44082
PDF
Publication page572949a0444458821a10bafede4f9c6041fac775339c3e29687d35d40867c33a
Manifestd510faf31284d0101cd3f15b3c51ed0051bea368786ff342fff38c697317ce7b

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
Signaturep7REacp7ra5SWJZ9MXn76jytIz/80wNwla+9g9g750Mtksji1M+cHTTsDdDP722zBww366MZ1vZ+7JVXkGzMBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:14.291342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102723
observed 572949a0444458821a10bafede4f9c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.271017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102723/manifest.json
observed d510faf31284d0101cd3f15b3c51ed00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.251551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102723/publication.md
observed c4071c21fef4ec5a052adcebb05981a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.232498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102723/publication.txt
observed 826251c76fad0aa0cb3bc1033157487b...
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.