OpenTechnical

OT-2026-000059191

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000059191) never changes.

Identity and time

Publication numberOT-2026-000059191 · never reused
Internal UUID01a0ae89-8613-7a9a-be02-954e2cc578ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059191
StatusPUBLIC

Content hashes

Canonical text6737a8b9fbc712c7eca6186c3dd7119f71f1ba74b6c522a95ef2db2d04cead93
Markdown2e3605a7b9fa74095a8a0397bafb50f6817f0ce82fb300fe625990f43095127e
PDF
Publication page3735290d4d76a8e7eff2429767655a80ad5ce106f2294da12cb102c5dfd7e5eb
Manifest6d861740520629f872219b0bb44584e90eef1364366d64cd1874a691b386cde8

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
SignatureeUuhQSO71/3sdrmPy832x8S+UjL3NQ3+Lucb6Fpr+RXHpC9jkz3XmiX6Ogulx+3KXgOhxVipfCLEEtnFJxpPBA==
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

2026-09-17T10:45:09.165449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059191
observed 3735290d4d76a8e7eff2429767655a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:09.146727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059191/manifest.json
observed 6d861740520629f872219b0bb44584e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:09.129321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059191/publication.md
observed 2e3605a7b9fa74095a8a0397bafb50f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:09.111822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059191/publication.txt
observed 6737a8b9fbc712c7eca6186c3dd7119f...
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.