OpenTechnical

OT-2026-000045436

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000045436) never changes.

Identity and time

Publication numberOT-2026-000045436 · never reused
Internal UUID01a0ae7c-f76d-790f-950b-75573ce81820 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045436
StatusPUBLIC

Content hashes

Canonical texta7bcc30e7e040ee5ba633ccbaa7b33f135c7bcbee1c7e11e3905f5df8020244d
Markdown991fd266f6d398cb33f6107552d7d7a180109183a35e3b049512386468f147df
PDF
Publication page528549b324af61dbb2f5ba7b626c1b4b2be01f15f33d89e9e2b5b4e32b838af4
Manifestfc7078097b50d53ef4214e2400cd82869468f8bfa59ed161cc0a00ab67ea5b89

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
SignatureEaR2W3Y7Gh++83PXBHK2y1BH1BOBuyL1DkeZfpIB66/ua60sodSv1Z1jvijnQ7+wg59p6xE61HOohID5rex2DQ==
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

2026-09-17T11:10:44.008706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045436
observed 528549b324af61dbb2f5ba7b626c1b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.990649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045436/manifest.json
observed fc7078097b50d53ef4214e2400cd8286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.973634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045436/publication.md
observed 991fd266f6d398cb33f6107552d7d7a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.953052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045436/publication.txt
observed a7bcc30e7e040ee5ba633ccbaa7b33f1...
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.