OpenTechnical

OT-2026-000073439

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000073439) never changes.

Identity and time

Publication numberOT-2026-000073439 · never reused
Internal UUID01a0ae92-efb8-7765-a38f-cb2b41011e45 · 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-2026-000073439
StatusPUBLIC

Content hashes

Canonical text986635da16d3aba769494e867188f720a25b4a46bfda15e723270701527ba8a1
Markdown5348cf332b8cb0ff7d442bdfba2f230f411220f56ab1b85d593307a0848defc4
PDF
Publication page10817b5b682d2f8f3331500becf1514e74cc5d2139032dbbe502018c06475c63
Manifest7df8b022709fc6bed0cecbd9614f6bdb32349f803d932378f56ea83c09bff939

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
SignatureG8mDzlyUvZJLOdlw7c4BQznuVmw1b1XQCCagcCD0U7fgnSmgp08lqYROqnmx7hQiccatfj+7OvxpAF24s+VOCg==
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

2026-09-17T10:21:35.836756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073439
observed 10817b5b682d2f8f3331500becf1514e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:35.817094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073439/manifest.json
observed 7df8b022709fc6bed0cecbd9614f6bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:35.801155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073439/publication.md
observed 5348cf332b8cb0ff7d442bdfba2f230f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:35.782949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073439/publication.txt
observed 986635da16d3aba769494e867188f720...
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.