OpenTechnical

OT-2026-000042686

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000042686) never changes.

Identity and time

Publication numberOT-2026-000042686 · never reused
Internal UUID01a0ae7a-c0cf-7ccb-b60b-adc896e86f25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042686
StatusPUBLIC

Content hashes

Canonical text3af595bccc9d2178c6c6e9920ee3a2558709f4cd718e9563500d9b7bd836af44
Markdown6d42e3f838bdd02b0a79c0988c6e1adac75da12c8638b12ee2cabfa4b19a1357
PDF
Publication pageb48cfda68acac784d97297740b12dc833a31037c31958cefe0fe37e5cbc19198
Manifest38efa5703fb26d08665a6dec7829806b62024dcb663ca0f53c9f95e42b8febe0

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
SignatureAYI0KLwO29vvQnieEFOvr90bcOKGAt8xJP4OoE9qDbmpdhBDjNm/WUSE0MKpqlSoak2ZRdjQU7VzVDKsAodGBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:02.497021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042686
observed b48cfda68acac784d97297740b12dc83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.480297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042686/manifest.json
observed 38efa5703fb26d08665a6dec7829806b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.462393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042686/publication.md
observed 6d42e3f838bdd02b0a79c0988c6e1ada...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.445099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042686/publication.txt
observed 3af595bccc9d2178c6c6e9920ee3a255...
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.