OpenTechnical

OT-2026-000061289

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented after 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-2026-000061289) never changes.

Identity and time

Publication numberOT-2026-000061289 · never reused
Internal UUID01a0ae8b-1384-7ca4-85b7-3bf5158be55a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061289
StatusPUBLIC

Content hashes

Canonical text2962ab5a441dc885493d52a33b6265efd7e6123e4b8928a747e406445edb267e
Markdown8ab0b461a7f9c70d980735863ec30e71c0745aff1e5f524d0153c5141274b4a6
PDF
Publication page7389f2f1d5a0d9e187f8de7d946b9f84b12dccab2e77969c09578e5ae5be97b6
Manifeste386c68a7e3bfce2a6a32441d55b45abc4b7f19b218b8e65993715df61177a86

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
Signature+mOrm3e9l/z3FGDziHLjnuNyvK1y1VweG6xb/BBCcCNdSk6FJy6H8Kqb/wa+C0qr+rYHqffByOIoLNGlo1a7DA==
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

2026-09-17T10:42:42.851741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061289
observed 7389f2f1d5a0d9e187f8de7d946b9f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.834288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061289/manifest.json
observed e386c68a7e3bfce2a6a32441d55b45ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.817354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061289/publication.md
observed 8ab0b461a7f9c70d980735863ec30e71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.798792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061289/publication.txt
observed 2962ab5a441dc885493d52a33b6265ef...
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.