OpenTechnical

OT-2026-000042106

Publication integrity record

Foam pad vacuum gripper, 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-2026-000042106) never changes.

Identity and time

Publication numberOT-2026-000042106 · never reused
Internal UUID01a0ae7a-5d71-7f31-a2a4-f0e82e3acafb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042106
StatusPUBLIC

Content hashes

Canonical textaff10f961c451a5bb16732931b0862d88bd33478b77880c2ef5e54daa79e49c4
Markdowna3b4783f7e8346dee2e91f1455ad20a6c9de4fee03c15b0796899410facc5cfc
PDF
Publication page8b907943965b82e61603933853cad670169d737b8f9602fcfcef7164d5b55a0b
Manifest8cfeb6e87711c17bf9362b7910393b97791ad0a1a752040973f00d80ee241c5f

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
SignatureEIcg0mt8LClIeZv9z995EeLsfTDw4WntCMOnkDtSQSwzmoWOTFxVOc3NS/RSXDigKMQP5DX1eYje0uDHt1aHAA==
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

2026-09-17T11:15:38.487778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042106
observed 8b907943965b82e61603933853cad670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:38.470022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042106/manifest.json
observed 8cfeb6e87711c17bf9362b7910393b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:38.450853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042106/publication.md
observed a3b4783f7e8346dee2e91f1455ad20a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:38.432379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042106/publication.txt
observed aff10f961c451a5bb16732931b0862d8...
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.