OpenTechnical

OT-2026-000007262

Publication integrity record

Vacuum cup gripper, plant vacuum fed, contact triggered on the face, vented 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-2026-000007262) never changes.

Identity and time

Publication numberOT-2026-000007262 · never reused
Internal UUID01a0a978-819d-7bf8-a8f3-d547988ab684 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:07:22.143978Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007262
StatusPUBLIC

Content hashes

Canonical text6719ceeffa24da514dcbe0ae151b032b7a8f7f29c5235226b114d44675d78daa
Markdownf0484df4172009a1084bf0376433f6734561d5c17bfc82e5336c0e338df1a64c
PDF
Publication page6fb456912e8e13a52ff735b9037d091a06b672f5fc48f181de7b966e352f354b
Manifest1ad264dc11eba499c05fa2d1efcc3bfe211aa39d929df326742f1bd939314a84

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
SignatureXm1Xc3mLHdPkO5Q8hMA0nCTAQ04o3oi4uQuQyNzpDEwNHzsyvptiPZHaCeQZjnFGxVa1siIZ7TeZ1xmuZEdyCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:10.239345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007262
observed 6fb456912e8e13a52ff735b9037d091a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:10.227278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007262/manifest.json
observed 1ad264dc11eba499c05fa2d1efcc3bfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:10.214809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007262/publication.md
observed f0484df4172009a1084bf0376433f673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:10.201937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007262/publication.txt
observed 6719ceeffa24da514dcbe0ae151b032b...
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.