OpenTechnical

OT-2026-000055837

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000055837) never changes.

Identity and time

Publication numberOT-2026-000055837 · never reused
Internal UUID01a0ae87-0a49-7eb3-b9cd-db466e0b5e74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055837
StatusPUBLIC

Content hashes

Canonical text2ff22c3ad63706f5d34fa427ca9db5651fe8bab3ae995ebffc18e8657bc41226
Markdown88295aa5dedf6596be7dccb853c5e2db7dcda19122d1db1bd096763654d4e355
PDF
Publication page9e163f81fb77609bb931abd7bc129ff6b1802321f2340062ad5dfca66c319b42
Manifestb64c76db1bb734764f4e07d193f2921aca6d477dc42a54d74684b93aeed32a77

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
SignatureZM+w1bN0j9MZeKVoFDI00jeWypTT6P+4fSKA18gaARqUguzWaFFL7tb6+/pEX0nK/cZSXVOdvawG8UlJtkrnBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:13.458286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055837
observed 9e163f81fb77609bb931abd7bc129ff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.441939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055837/manifest.json
observed b64c76db1bb734764f4e07d193f2921a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.423800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055837/publication.md
observed 88295aa5dedf6596be7dccb853c5e2db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.405198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055837/publication.txt
observed 2ff22c3ad63706f5d34fa427ca9db565...
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.