OpenTechnical

OT-2026-000009028

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed 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-2026-000009028) never changes.

Identity and time

Publication numberOT-2026-000009028 · never reused
Internal UUID01a0ae6b-31b8-72ac-a900-6e1442d18a44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009028
StatusPUBLIC

Content hashes

Canonical textfcaa946a092106e72ca15a070dd3aab82f646eef91cd201d40f07d3000daf59e
Markdown55553bf1bf5cf2d3ea1cd234a691d70b54bd246791914af4137c045ace86f702
PDF
Publication page96b092b309012bb834d3062b4718888ad69f4e1cdb09f1c7dd268e47c9586f25
Manifestbd28c814b285c18090d04caafcd321430b4271272a4c3b2359a7cb8d9e6c4dd5

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
Signaturefik1dAi+ECIzDK9iYvyFb+UnIoRlS5cjdb1VfqhFTp6IICrNxGaz8Pb2bpmUUKPzizliWZzGoIBe+kGdaQAHDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:40.305637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009028
observed 96b092b309012bb834d3062b4718888a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:40.286147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009028/manifest.json
observed bd28c814b285c18090d04caafcd32143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:40.267213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009028/publication.md
observed 55553bf1bf5cf2d3ea1cd234a691d70b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:40.247096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009028/publication.txt
observed fcaa946a092106e72ca15a070dd3aab8...
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.