OpenTechnical

OT-2026-000061507

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000061507) never changes.

Identity and time

Publication numberOT-2026-000061507 · never reused
Internal UUID01a0ae8b-7b44-7840-b5e3-148419f970df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061507
StatusPUBLIC

Content hashes

Canonical text7d7242c7226db83b338bf3d0e8954ca745882c65161aa28aa5f8b7f1e10fd2bb
Markdown599e8f65910c5f9625c01b3d609c6d5435de4ca5fa12c85355fe48240645c179
PDF
Publication page631e08b11aaf68623f9aec5e022707a4bd21659422d734ae857d1489878fc19c
Manifestbe7e21b0cf8f68308fb34e12be53fd62e76cdfb8614ede1d361e385e18b5b746

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
SignatureNbiF8SzMt8NXeiuXrzTpadzhCT7t0cPhYcQEL32K6CGphNqqYbxUsFU7/29vLIrP6DncjSEc48t9UJLC8IBJBg==
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...

Independent retrieval

2026-09-17T10:41:24.186349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061507
observed 631e08b11aaf68623f9aec5e022707a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.169149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061507/manifest.json
observed be7e21b0cf8f68308fb34e12be53fd62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.150600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061507/publication.md
observed 599e8f65910c5f9625c01b3d609c6d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.132821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061507/publication.txt
observed 7d7242c7226db83b338bf3d0e8954ca7...
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.