OpenTechnical

OT-2026-000057558

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000057558) never changes.

Identity and time

Publication numberOT-2026-000057558 · never reused
Internal UUID01a0ae88-2693-7ee5-9b45-8508b32ecde3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057558
StatusPUBLIC

Content hashes

Canonical text50abcbc235942a16d8571f3faefbc8f4825982c16f08e2b86d0b2a74d99de860
Markdown7598753feee4f417c49aad8baa9fb8ea589351670c911b8142f3a6a29c99f8a0
PDF
Publication page5e79af24641d7be8d9de0ffab7d21b25d49d0dda8369215cda9a485056635687
Manifest1f9eb9e64f78bb2cedbf0641e27f59c79d620215215562eb480a6c95cbbc55d6

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
SignaturePJ2pvWn5/3Se9g49FHJ0Ky2Rh0EDxhtNr1ZBWZ5sFiZy6fx/3dVwis4c5bgs2q2I6HYcYVU82JC6uZZ4zRdnDA==
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...

Independent retrieval

2026-09-17T10:48:05.998070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057558
observed 5e79af24641d7be8d9de0ffab7d21b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.981557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057558/manifest.json
observed 1f9eb9e64f78bb2cedbf0641e27f59c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.965827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057558/publication.md
observed 7598753feee4f417c49aad8baa9fb8ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.949911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057558/publication.txt
observed 50abcbc235942a16d8571f3faefbc8f4...
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.