OpenTechnical

OT-2026-000058025

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000058025) never changes.

Identity and time

Publication numberOT-2026-000058025 · never reused
Internal UUID01a0ae88-6eda-793e-abed-8d5c05b21054 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058025
StatusPUBLIC

Content hashes

Canonical text4c5129793a5f2176f54ede2806cf1c6fc2724d6f99ea314cf4513d4fadc8fbcb
Markdown8c51b0a229e07d16bb4b1abefdeb02170b36fa2c9e34c79ff6396799602871ba
PDF
Publication paged7737d03b8e5231a84cef74a6ba81380ffcc1bc95b428e01cd8d38246ae0466b
Manifest1c64334d2780da8596d1e0ed37fd8d958756b93b14c969c14f90e66f88dd4136

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
SignatureLhvkYhzZ3OAih20dqdwqZcAduZPVm9Dh/6ublnVgfiHDoGbHLoK99bQLSIXbDrIPHzCvYrvCq2xi1evxghA4DQ==
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

2026-09-17T10:47:40.065680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058025
observed d7737d03b8e5231a84cef74a6ba81380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.047228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058025/manifest.json
observed 1c64334d2780da8596d1e0ed37fd8d95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.026441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058025/publication.md
observed 8c51b0a229e07d16bb4b1abefdeb0217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.002276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058025/publication.txt
observed 4c5129793a5f2176f54ede2806cf1c6f...
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.