OpenTechnical

OT-2026-000062447

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000062447) never changes.

Identity and time

Publication numberOT-2026-000062447 · never reused
Internal UUID01a0ae8c-0ac0-7914-8605-34cb2ba95284 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062447
StatusPUBLIC

Content hashes

Canonical text48814fc438b511eabfbd1eb9977d17b988134d08e7e607ac40b0b98da82ac786
Markdownbac069aecbe50320c17eea230d5d7366587c70da6fc48f9c3fd0d5d3ad4b1f62
PDF
Publication pageee9bec1ba0c6bccb46a0eb521fb5aa79d6496b883b513993d3e0418c12282469
Manifest418667688576608031c1368b55707fb1b20ac8411cc8e0482a5a48baba42f701

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
SignatureQZ3FxTpL8RkYK35PucDG+17HAcQINJvkEZcHrUUiD1Au18REh8/tuRxJ6HTo7xieiX4m59lSnUX1Fd/G1HbdDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:47.496564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062447
observed ee9bec1ba0c6bccb46a0eb521fb5aa79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:47.478447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062447/manifest.json
observed 418667688576608031c1368b55707fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:47.461943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062447/publication.md
observed bac069aecbe50320c17eea230d5d7366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:47.441919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062447/publication.txt
observed 48814fc438b511eabfbd1eb9977d17b9...
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.