OpenTechnical

OT-2026-000042375

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000042375) never changes.

Identity and time

Publication numberOT-2026-000042375 · never reused
Internal UUID01a0ae7a-5d74-7c55-aea4-4b08f328ef82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042375
StatusPUBLIC

Content hashes

Canonical text92a61490266ce6eb26e36ab5c902ac2dc7a8f465720da98668b43b08b998b42e
Markdown971f5ad7c878b9a067b03c3b6786f674749ac373494acf8e99b9bc45471e126c
PDF
Publication page5504bcdab5c42e0da0f97a2881dcbf5fdd088501c7f55b7ff9c6dcf2027af2ef
Manifest54a27d9f8b42a703d8baba617debc73dcf600b84872dca68ff9dbacbefa05a7a

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
SignatureTnmgRFWGGwsej+xkHQYLwDMcEG1DhQ6aNLoT5hFA6XThu/mJ/Nj7PM8EbrBtigryWVP8X1t3OhfCDNFeVrMmCg==
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

2026-09-17T11:16:09.900080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042375
observed 5504bcdab5c42e0da0f97a2881dcbf5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.882014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042375/manifest.json
observed 54a27d9f8b42a703d8baba617debc73d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.864499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042375/publication.md
observed 971f5ad7c878b9a067b03c3b6786f674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.845703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042375/publication.txt
observed 92a61490266ce6eb26e36ab5c902ac2d...
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.