OpenTechnical

OT-2026-000056613

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000056613) never changes.

Identity and time

Publication numberOT-2026-000056613 · never reused
Internal UUID01a0ae87-7af5-7a60-a65c-d843e852fd9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056613
StatusPUBLIC

Content hashes

Canonical textb5fd2bed93dfa89ae47294e2982614b74fa4b0ab664021c71da92dd52b037a0f
Markdown2729b6fbc0eaf22c66f7017996548ac3fb537f1cff2d4e9266da09ee86186f70
PDF
Publication page1a580caed1d24d6dacfeaa2d894eaf244890d91e6f7c2033fe5bebf9f49df109
Manifest10c563b71d5c3623bda3fedeef399a83ad7454d61cacb71fff60955470b3075b

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
SignatureKeIxMgyPvIg+HUKP9Im5MK649/khCIdnNrabNl14JyrJjG/OEo7/mAppR7aowRq2UVZr6Hz17+mE+5K/y3JzCw==
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

2026-09-17T10:49:57.997699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056613
observed 1a580caed1d24d6dacfeaa2d894eaf24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:57.979757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056613/manifest.json
observed 10c563b71d5c3623bda3fedeef399a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:57.928755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056613/publication.md
observed 2729b6fbc0eaf22c66f7017996548ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:57.882560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056613/publication.txt
observed b5fd2bed93dfa89ae47294e2982614b7...
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.