OpenTechnical

OT-2026-000077646

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000077646) never changes.

Identity and time

Publication numberOT-2026-000077646 · never reused
Internal UUID01a0ae95-2ecf-7450-bad3-03dcb65c5ac4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077646
StatusPUBLIC

Content hashes

Canonical text9683e438260e7e8a58ae771f1c3df6fd7a85a196c9d5334208d4515efda5f510
Markdownf37f16b59d578675952cbb8889ff5a28daebc9b953552c3b223876920cc86c3e
PDF
Publication pagedb1913a338ddadf647a368bc55dc63467441c0e4fd914a5f301f88ad08fe7d09
Manifest9febef10295a7a05bd198259803773a7e639c843a0839ef8b068fe8067613d6e

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
Signature143TfxV74KKbwBTC3YNN5GgZH/nK2VcY0Jw0GnX2quKWl/u/MVRbm0knWg6Zu51kz7gv6avMKCnc1i9zwVsTAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:12.769430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077646
observed db1913a338ddadf647a368bc55dc6346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:12.751183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077646/manifest.json
observed 9febef10295a7a05bd198259803773a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:12.731716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077646/publication.md
observed f37f16b59d578675952cbb8889ff5a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:12.708965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077646/publication.txt
observed 9683e438260e7e8a58ae771f1c3df6fd...
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.