OpenTechnical

OT-2026-000073429

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000073429) never changes.

Identity and time

Publication numberOT-2026-000073429 · never reused
Internal UUID01a0ae92-efb8-763c-865d-52284eacd5ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073429
StatusPUBLIC

Content hashes

Canonical texte23c4c869b312f3e09a8198738960e2490c96e8c68ec18aa06442d78d39c78e7
Markdown7191c1eb26e634a61083d980b652c4d5c46be4a76856a7173be2d8d57a59cf30
PDF
Publication page7c569ed83900fc13a94e2412a4b8f4a84127ee59da3867ca11ed14ca2962ac98
Manifestbe50975c1221d5426aedd8b7fd20da4047ffe986cd6359faee90b2ee13756c6f

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
Signaturee4Nd6+GEDDfrmQWokaXO7RqvNRYFEIaxOAz521fFR9y7vcRU78UNxW0uBgAQhxEEMwvMYin2JJfbphcVLF56AA==
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

2026-09-17T10:21:34.891407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073429
observed 7c569ed83900fc13a94e2412a4b8f4a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.872378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073429/manifest.json
observed be50975c1221d5426aedd8b7fd20da40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.853935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073429/publication.md
observed 7191c1eb26e634a61083d980b652c4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.834559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073429/publication.txt
observed e23c4c869b312f3e09a8198738960e24...
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.