OpenTechnical

OT-2026-000074707

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum 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-2026-000074707) never changes.

Identity and time

Publication numberOT-2026-000074707 · never reused
Internal UUID01a0ae93-ac2b-7e95-b25f-35cd16423d14 · 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-2026-000074707
StatusPUBLIC

Content hashes

Canonical text555564e56bcc52460fcce9f207ef1a7c6b838d6bb46fb5f494f1801ed04a51cc
Markdown1ca74dd40c17927443839c3533a751900125538efb77d673d2ae31b143b342af
PDF
Publication pagec5ca10ea518c5500f2a2517c695001cc7cecad51eb7fe5288fcc848e840ecc50
Manifestc297c7ffe25ac9749a9954da799e66e1f3a1e2423cdcc9f114bf1e5d73d16185

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
Signature23bi9iadK4nc/GTRKTTqhET/lXLGeJMdXL2s1DiFl3EJ3M7cSSM8TGvveYpA9bOOnkwlJ8V09g2JUQw/XUubAw==
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

2026-09-17T10:18:17.968854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074707
observed c5ca10ea518c5500f2a2517c695001cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.950993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074707/manifest.json
observed c297c7ffe25ac9749a9954da799e66e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.931644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074707/publication.md
observed 1ca74dd40c17927443839c3533a75190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.914432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074707/publication.txt
observed 555564e56bcc52460fcce9f207ef1a7c...
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.