OpenTechnical

OT-2026-000007429

Publication integrity record

Vacuum cup gripper, plant vacuum fed, sustained blow off after set down, silicone cups

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-2026-000007429) never changes.

Identity and time

Publication numberOT-2026-000007429 · never reused
Internal UUID01a0a97e-7a43-77c7-b286-9467510c6dee · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:13:53.478057Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007429
StatusPUBLIC

Content hashes

Canonical texta3c1d844af269b1de79c90a240cb8359e667c84dfc9b028d6333b0a6cfa6cee4
Markdown2001bd5e70ff622cae03b319120b831b6d74d8ad9beeb2c7d83156d00d0bd2d2
PDF
Publication page890cbbc821e453fba3eb248a1c44ee81696f656d604d817842a5d44d5c040e18
Manifestbdd331d03582651ac3eefaf4b1a16d8f0dd8500801c1685e5986007fe81acdde

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
SignatureVPfvqDwGF3CHW9YCXKrTnJ6Urb8GqvNcz4tXkSl4vGxCAqDJ7/mZNRFcMCxvX/U6V6nM3KaMwvtvgbyqsVwhCQ==
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

2026-09-16T09:20:05.858480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007429
observed 890cbbc821e453fba3eb248a1c44ee81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.845792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007429/manifest.json
observed bdd331d03582651ac3eefaf4b1a16d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.832723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007429/publication.md
observed 2001bd5e70ff622cae03b319120b831b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.819952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007429/publication.txt
observed a3c1d844af269b1de79c90a240cb8359...
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.