OpenTechnical

OT-2026-000095487

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000095487) never changes.

Identity and time

Publication numberOT-2026-000095487 · never reused
Internal UUID01a0ae9f-8f73-74c6-8286-5b3dd3627d74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095487
StatusPUBLIC

Content hashes

Canonical text8cfcc9948b53ba61d3361e217f6afbdb58d58ede34eb4e300a653ff1ee7debb3
Markdown281271cbc2c59ec29c50f758b9b62442f4e20f1d64d5b4161b350f32925ac5dc
PDF
Publication page23c28420606ab2483061084a4cef1bb3671f57e2701d22ce80f5d4f55b939bc9
Manifest0b98ddce714c2d27569d83ae8f9a848650ca623acb87bae54a2e8ba73fed60d3

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
Signatures2sbvnWU8YtVXcHot/50YImtyYf6nezC135zAxUPrp+Eram770yHVlC3R+BA4e9ppJFaTD93fXpLsYG6pOMrAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:51.902543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095487
observed 23c28420606ab2483061084a4cef1bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.885373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095487/manifest.json
observed 0b98ddce714c2d27569d83ae8f9a8486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.867635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095487/publication.md
observed 281271cbc2c59ec29c50f758b9b62442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.849815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095487/publication.txt
observed 8cfcc9948b53ba61d3361e217f6afbdb...
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.