OpenTechnical

OT-2026-000044857

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044857) never changes.

Identity and time

Publication numberOT-2026-000044857 · never reused
Internal UUID01a0ae7c-911b-7de6-bf3d-416e09520f78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044857
StatusPUBLIC

Content hashes

Canonical texta957286ac7eb81094559d5be70ce55ffa32e8e99c1aee8c593aea8b8a4cd4207
Markdowncfd74fff7192382c14726810a51899ea6ec6d15eb1e7770a6b9812145d24eb7b
PDF
Publication pagefd4765ead5ef8cdeae6ab7aa6d63d8c622df01f99309a7cd43806659320b82ed
Manifestc6e5e9c3e0cf8698631b4143b3055f5904d1c7c09acf610112cc5bd7c23b2081

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
SignatureAYDKArPu0bpsafpxPu1GPgV0/ku3XXULBLcmu/z/DKk0cxtbmQ8GbC8OfME1qQ0O80QXHo2X5XiCfnwyEpcpDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:30.385758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044857
observed fd4765ead5ef8cdeae6ab7aa6d63d8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.366903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044857/manifest.json
observed c6e5e9c3e0cf8698631b4143b3055f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.349958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044857/publication.md
observed cfd74fff7192382c14726810a51899ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.331313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044857/publication.txt
observed a957286ac7eb81094559d5be70ce55ff...
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.