OpenTechnical

OT-2026-000056645

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two 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-2026-000056645) never changes.

Identity and time

Publication numberOT-2026-000056645 · never reused
Internal UUID01a0ae87-7af6-7fe5-808a-a2474b01544c · 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-2026-000056645
StatusPUBLIC

Content hashes

Canonical text5a4088d6ab56f34a3374829b14e953df1dddd7853bdf811c6328f66db9b6e0dc
Markdown6d8f19e93e7ca75d8b4190bb089899d8b525b727324af23daeed78062fe81c27
PDF
Publication pageeb450bd237a6bb2adf336f367f51b39ffcaa9de3cb8e3ac0b1a500e8ae0fc5e7
Manifestead1de52016cf0511e3ec7b81158622c1cf6d39760920c2ec5b56927626423a8

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
SignatureosE0DKD1+pZfsIgs7kw0AIoZ1zCD1K7q7iKyq4737GDKNpLnS9w5ffheBmZu9l73mTfjbLBBPv1q/mMO10udBw==
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

2026-09-17T10:50:00.468461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056645
observed eb450bd237a6bb2adf336f367f51b39f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.449573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056645/manifest.json
observed ead1de52016cf0511e3ec7b81158622c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.431039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056645/publication.md
observed 6d8f19e93e7ca75d8b4190bb089899d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.412151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056645/publication.txt
observed 5a4088d6ab56f34a3374829b14e953df...
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.