OpenTechnical

OT-2026-000007072

Publication integrity record

Vacuum cup gripper, four outlet manifold, pump fed, contact triggered, vented after 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-2026-000007072) never changes.

Identity and time

Publication numberOT-2026-000007072 · never reused
Internal UUID01a0a971-9a33-71ac-ace3-306ffee0b2d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:49.686682Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007072
StatusPUBLIC

Content hashes

Canonical text05e091c9710e61f1b07a42c01be5ded24d8b57bcfabb409659200713946e9ba1
Markdowndc063261baaf06224c6e5c1cd7f53c5e4ae9aa41586e7d34c1134b8c4b459a4e
PDF
Publication page629d238e05d523d6d60acad35498f89bbb33ec5d8c977316cc1d01ec6545ea9d
Manifest180d30435ff004df430be5086b6afbba11d05c69f792f12f8cf705f2a707dfac

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
Signaturev09RNpAXJNc6AF1QoF73/xm8paoKa9TU1BtkpTNuXpr9Q0P2EKVMKHULu+Vs3QrERBWu5n0q9B+H2rIvuwxnBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:04.687741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007072
observed 629d238e05d523d6d60acad35498f89b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:04.673747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007072/manifest.json
observed 180d30435ff004df430be5086b6afbba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:04.659022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007072/publication.md
observed dc063261baaf06224c6e5c1cd7f53c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:04.644778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007072/publication.txt
observed 05e091c9710e61f1b07a42c01be5ded2...
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.