OpenTechnical

OT-2026-000102318

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000102318) never changes.

Identity and time

Publication numberOT-2026-000102318 · never reused
Internal UUID01a0aea4-50f4-7365-8e18-b828bade20ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102318
StatusPUBLIC

Content hashes

Canonical text176a77a600a6d413aeaf1cd51a648fe496a29023049efe3cdc64a9c38c3bbfc9
Markdownaa421d78da5071cb3437396d670c43d10f87114cf7927403c070882fc857c8bd
PDF
Publication pageb79d4ba2894d03ba9f1bf2b478881b5af2b48baa826fb0ad2b5da703eb0e8001
Manifest8e3c63aa6410226ab780f740184a5884100518f855bc2ff266837a1bfd1f7761

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
SignaturexOVgcprywZF12a9/OS9tqW1GYER/FCR77dTlq4C06E0X07BFHUAW4/YWYKGrkDHcZ1fSjolMVg2s1P12YUZPCw==
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

2026-09-17T09:25:30.994030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102318
observed b79d4ba2894d03ba9f1bf2b478881b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.974897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102318/manifest.json
observed 8e3c63aa6410226ab780f740184a5884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.956485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102318/publication.md
observed aa421d78da5071cb3437396d670c43d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.936434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102318/publication.txt
observed 176a77a600a6d413aeaf1cd51a648fe4...
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.