OpenTechnical

OT-2026-000059549

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000059549) never changes.

Identity and time

Publication numberOT-2026-000059549 · never reused
Internal UUID01a0ae89-ec23-77dc-a34c-1b535ee47ea9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059549
StatusPUBLIC

Content hashes

Canonical text4b33d11c7dff60e2321b57c6f06c19baaaefce626fd4683fa46ff115d6adf2b4
Markdown512dd582edc89e877326b39034cd865c7000d8178f42c289abd24cda88dbfb89
PDF
Publication pagebc5532716e1e5a8bd05c23f591f47b0b737a186ca06d053b26973ab5c0531326
Manifested70935e11604eda0b94cd10a1c8422fee2aec3afc3a5b4073a9e8345df3df1b

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
SignatureaKNyuHrLaMuSqICNuEy3N1LDzh5GAS597EQGgVYjKJ9Atud8MAZr6e5Cd4yLrpS/lVIGEkTS7nfUkWWOzFt5Dw==
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

2026-09-17T10:44:11.295623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059549
observed bc5532716e1e5a8bd05c23f591f47b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.276693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059549/manifest.json
observed ed70935e11604eda0b94cd10a1c8422f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.256064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059549/publication.md
observed 512dd582edc89e877326b39034cd865c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.236391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059549/publication.txt
observed 4b33d11c7dff60e2321b57c6f06c19ba...
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.