OpenTechnical

OT-2026-000054645

Publication integrity record

Two cup vacuum gripper, two 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-2026-000054645) never changes.

Identity and time

Publication numberOT-2026-000054645 · never reused
Internal UUID01a0ae86-1284-7a6d-9831-e5d888e0196f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054645
StatusPUBLIC

Content hashes

Canonical text98d659a2474e9e1b75f5e3d7c0dc1726072ccd267eee31f1b4de64b70e1740fa
Markdown8eba198da946b28fbd1b139505340be3e344096f538c0d4d8dd461f104121f5c
PDF
Publication page9d5944caaa37343f397bd9014fa44e16d3c835edc4c4c906fe99967bf4ed7769
Manifestde1e8d2be4b073b0b836299d3d47bf4f96886c43c33329e0c1575b4ea13787e4

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
Signaturev//vDsojxHLgOV8RtATF93oTKRyzbbUpKz1lzlzFV+qIrens/P646EknTMKmQHkin30JYBk+BCB89w3lKuM9Aw==
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

2026-09-17T10:53:42.719646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054645
observed 9d5944caaa37343f397bd9014fa44e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:42.700266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054645/manifest.json
observed de1e8d2be4b073b0b836299d3d47bf4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:42.680771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054645/publication.md
observed 8eba198da946b28fbd1b139505340be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:42.661040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054645/publication.txt
observed 98d659a2474e9e1b75f5e3d7c0dc1726...
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.