OpenTechnical

OT-2026-000056534

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000056534) never changes.

Identity and time

Publication numberOT-2026-000056534 · never reused
Internal UUID01a0ae87-7af5-7c7d-a7cd-36c588fa181a · 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-2026-000056534
StatusPUBLIC

Content hashes

Canonical text04c6b7e1c198b677dd3d5f7ad348c53f2b4a84875b7905e37d2e444d3f4f95ba
Markdown7384a5e0b499e22c77e214b808483afb6e061bd17653416bfbe988338a5dc572
PDF
Publication pagebc15fbb7f272323322bcb6f3d95ce3f10a7ec516f6f341733731898ba8c0d617
Manifestc5540faa139ca7e97d171144c3f2fc7bfc548be39f123c3394b737bd42db5908

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
Signature55DMVaII0NB4sSVsyze+JH7OqFuo1eMdeJbVZKR4bT4EAfgYlNfTjTrvAXFxFUCAqpSkyVuYMXVXvDARiL7xCA==
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

2026-09-17T10:49:51.795958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056534
observed bc15fbb7f272323322bcb6f3d95ce3f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.779277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056534/manifest.json
observed c5540faa139ca7e97d171144c3f2fc7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.762901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056534/publication.md
observed 7384a5e0b499e22c77e214b808483afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.746482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056534/publication.txt
observed 04c6b7e1c198b677dd3d5f7ad348c53f...
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.