OpenTechnical

OT-2026-000073343

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000073343) never changes.

Identity and time

Publication numberOT-2026-000073343 · never reused
Internal UUID01a0ae92-efb7-7f4f-b534-9f83a1c9dc6f · 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-2026-000073343
StatusPUBLIC

Content hashes

Canonical text508b801a9d2c59a6539f259a57a19668b30d9c0463d9bd45a190cd7ef3c00534
Markdown2f7d9f1fbbd46d437be1396d262759aee951d2806711d75d7fd6d960fb18d219
PDF
Publication paged3edb0a2321025efcbd5837820a90e7573f332ba4f15841b94891ea9780ad01f
Manifest27f6e2c9465ddb563eec7824dc841852e03c366954cb4fb8b33155cda58ed0ab

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
SignatureS4sO/o4wuQTicIRF5ICCtJ9RkeWwk76E3qrVN96RYcQemnBbAGqbaHCERo+k/XmvoIvkLM8gbFhUXOAdNzJrDA==
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

2026-09-17T10:21:21.931670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073343
observed d3edb0a2321025efcbd5837820a90e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.911945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073343/manifest.json
observed 27f6e2c9465ddb563eec7824dc841852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.893890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073343/publication.md
observed 2f7d9f1fbbd46d437be1396d262759ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.876126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073343/publication.txt
observed 508b801a9d2c59a6539f259a57a19668...
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.