OpenTechnical

OT-2026-000078453

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078453) never changes.

Identity and time

Publication numberOT-2026-000078453 · never reused
Internal UUID01a0ae95-7c28-762e-b4c3-5e8fead31a2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078453
StatusPUBLIC

Content hashes

Canonical text1c67656c0b08d3de2e17b1b7338d5132633ce1232ac220233896d531291d97e4
Markdown1c034b7cf98e3c63415f2b8265923f260d0cef9fbd936a5a40f429f5ff5d9601
PDF
Publication page95645abeabafeaa6c4836231fb33e8029841387862ca2fea64b5e7885e18d1d9
Manifest03d15fb303cd7e1aab30a40dc8affa0ec3dca7ae71cc3a4ac58c9d23f63386bf

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
SignatureU57UDlrGtMHZr4I1HnZeEc61DuRMEIAWYA5+NEEgqfM9R7hc86kIE0xUcS797AwahX637x4K4LRGTvF905nuDw==
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

2026-09-17T10:06:27.240381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078453
observed 95645abeabafeaa6c4836231fb33e802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.221630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078453/manifest.json
observed 03d15fb303cd7e1aab30a40dc8affa0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.203666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078453/publication.md
observed 1c034b7cf98e3c63415f2b8265923f26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.184576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078453/publication.txt
observed 1c67656c0b08d3de2e17b1b7338d5132...
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.