OpenTechnical

OT-2026-000056931

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line 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-2026-000056931) never changes.

Identity and time

Publication numberOT-2026-000056931 · never reused
Internal UUID01a0ae87-7af9-7c79-8fd3-84d4da721397 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056931
StatusPUBLIC

Content hashes

Canonical textd247451a0aaccb9e8b74801d13295dcae63ba436e5b07bfac7896daf1d38fc93
Markdown04dda1b412187b610a479ff623f858a5cc00cc4391e3ad1a25d33a3700125102
PDF
Publication pageaf72fe6704ca702837ede755905d46da4744d2b96a92fc1bc7b22281a685f89b
Manifestde647a24f7ead62058da2316b578f00a4447759a5098d6cd7be729dd4d8eadb2

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
Signature35I22ouaA57BKNBN/VVB7152ZAN8uTdUQuQtdD61w//K4q5uzEezS0xko1BUBlEbcngcZeyae4UK2PFIl5vIAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:28.869228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056931
observed af72fe6704ca702837ede755905d46da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.850438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056931/manifest.json
observed de647a24f7ead62058da2316b578f00a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.832604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056931/publication.md
observed 04dda1b412187b610a479ff623f858a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.814464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056931/publication.txt
observed d247451a0aaccb9e8b74801d13295dca...
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.