OpenTechnical

OT-2026-000015393

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump 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-2026-000015393) never changes.

Identity and time

Publication numberOT-2026-000015393 · never reused
Internal UUID01a0ae6d-ef49-78f6-a7de-631188ce4b0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015393
StatusPUBLIC

Content hashes

Canonical textb93711b1b899eb7523570f2cd6025d4d3e5d93abfe595f144c5b3c46444d1f34
Markdown93e4bb127bb4b0b65bcf1fbb7a9bb0a161ff1b4f2f8a025fbd5d532d7ed41d57
PDF
Publication pageca9ccffbbac709b7dc79d68ef5ebbfac7c3d01485a7e3690be660cc0498ce082
Manifest24062474ada1d26cd6135db3bb1c41eb76599a07f26e57edd6d49740d43d6cf0

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
SignatureaeI0D9CxYrfNbDHZmk4rijF2kcD+aETv3CvkywEo9uu8fhxOTGB3+Q2eLoGzSh2W4hlEqTve9Ntz9Y2s4Y6EBQ==
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

2026-09-17T12:06:06.871215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015393
observed ca9ccffbbac709b7dc79d68ef5ebbfac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:06.851356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015393/manifest.json
observed 24062474ada1d26cd6135db3bb1c41eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:06.831102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015393/publication.md
observed 93e4bb127bb4b0b65bcf1fbb7a9bb0a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:06.811219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015393/publication.txt
observed b93711b1b899eb7523570f2cd6025d4d...
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.