OpenTechnical

OT-2026-000056511

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000056511) never changes.

Identity and time

Publication numberOT-2026-000056511 · never reused
Internal UUID01a0ae87-7af5-7039-9836-0c6bb9260b8f · 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-2026-000056511
StatusPUBLIC

Content hashes

Canonical textc58ac405c692364f945de945378dc6529e2ca436ce2b980cd5fc148a1e2fe4d9
Markdownd95bb6b32b5517e6304f713e7d5bddeb47d0b4094617b531e8143c5669ad311a
PDF
Publication pagee86f9dd79900499cec73d38dd929eb3b3f27278e6bdcf14253f6ff1ca9d03d00
Manifestb896c5d54e4eac65b10839815e006422e1845fa16c0c1a3b2190987042ef6ca2

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
Signature0e22Qy3ZHirVNfVeHep+BFziq3+iKRbur49XGqWlUiELBA1RGABUeLk+EcJJM49dYps2zmVljHKIKsHeaeisAQ==
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

2026-09-17T10:49:50.020024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056511
observed e86f9dd79900499cec73d38dd929eb3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.001710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056511/manifest.json
observed b896c5d54e4eac65b10839815e006422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.983561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056511/publication.md
observed d95bb6b32b5517e6304f713e7d5bddeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.966154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056511/publication.txt
observed c58ac405c692364f945de945378dc652...
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.