OpenTechnical

OT-2026-000058993

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000058993) never changes.

Identity and time

Publication numberOT-2026-000058993 · never reused
Internal UUID01a0ae89-47a0-7331-8e1a-2e9b6ac304b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058993
StatusPUBLIC

Content hashes

Canonical textce7e38ed93ec6f9b332eedd0aa1b73069f9817d62726747938eb82c26f033965
Markdowncc9fac584e34557d554e656c7eea8e03c2c27503f4ba2b8877e3f5441a1e70c4
PDF
Publication page0b7061924f6e6bedd6bb8510baca425049fed1dbae352508ef0d5fabef363c3d
Manifest0f6e13503586c114b280748d87a90c44095b7b5da27d87f8d2c66ce5f9daba2b

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
SignatureOmm59uuKjdCwAxHMBeA7co/BcrMKkdr4SDzpZCwFXA0VN0dTXRXiBJ+uy7KADlVCTZ/ygb9HVNRLzf3tLTUoCg==
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

2026-09-17T10:46:34.771674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058993
observed 0b7061924f6e6bedd6bb8510baca4250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:34.754110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058993/manifest.json
observed 0f6e13503586c114b280748d87a90c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:34.737483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058993/publication.md
observed cc9fac584e34557d554e656c7eea8e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:34.719034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058993/publication.txt
observed ce7e38ed93ec6f9b332eedd0aa1b7306...
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.