OpenTechnical

OT-2026-000074077

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000074077) never changes.

Identity and time

Publication numberOT-2026-000074077 · never reused
Internal UUID01a0ae93-2b8f-7de9-a4df-2186792e8888 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074077
StatusPUBLIC

Content hashes

Canonical text7923e818996844ef27d53c4df678bf000e3dcb160816c5f5c3ef3017a76f6330
Markdown195f5b78e14172e600bd305ad4b6e5ea5297f038ec30b6795c07ca556211d310
PDF
Publication pagef67bb8d9ddfb5afd6ae2574301b5dd33114b450db0b6e349cbd87851ded32419
Manifest9575aa94cb4046ea4fca0cb7bffa7ace6ef4e85aa50d1117e0c6978557e96f47

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
SignatureILh7X313qRZxYbk4dBrHCc/lFQFmTxCHUurVdmyJky6x7WbNHLK2eFFM2Acx+epsLEBi7HY8/9I0bit+lj++Bg==
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

2026-09-17T10:20:58.746287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074077
observed f67bb8d9ddfb5afd6ae2574301b5dd33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:58.725247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074077/manifest.json
observed 9575aa94cb4046ea4fca0cb7bffa7ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:58.705208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074077/publication.md
observed 195f5b78e14172e600bd305ad4b6e5ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:58.685035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074077/publication.txt
observed 7923e818996844ef27d53c4df678bf00...
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.