OpenTechnical

OT-2026-000007432

Publication integrity record

Vacuum cup gripper, four zone face, three outlet manifold, ejector fed, contact triggered, rubber 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-2026-000007432) never changes.

Identity and time

Publication numberOT-2026-000007432 · never reused
Internal UUID01a0a97e-9581-7286-bd19-fbf18ed1147d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:14:00.452817Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007432
StatusPUBLIC

Content hashes

Canonical textc9140b171f6e7591b561b639bfe0373ae1ae1fc84a3484c61b85c7e3847c6cbb
Markdown1b899b512ee0a86788c12f517dc2c559c8aac2c281b5ec2e5f0585cd418a65c7
PDF
Publication page6516ad81f7fd0a768dcd13dc3e5817ed3f68fd6dc4818c2224f141c36fe4316a
Manifest6650b43798153ef30a4a2c3504b568d2c9f92e2d20622d4977b246cb701be60e

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
Signaturepmw+l3slOBLEcvbb6GyUsfP0gSy1nqhUwfIiq99ybZ/9KtvPXMIsfgw2lmI3dp5jGNmtkMYY8nHAXgufDHEsBQ==
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

2026-09-16T12:41:48.645509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007432
observed 6516ad81f7fd0a768dcd13dc3e5817ed...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:41:48.421550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007432/manifest.json
observed 6650b43798153ef30a4a2c3504b568d2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:41:48.210083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007432/publication.md
observed 1b899b512ee0a86788c12f517dc2c559...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:41:47.851730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007432/publication.txt
observed c9140b171f6e7591b561b639bfe0373a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.697558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007432
observed 6516ad81f7fd0a768dcd13dc3e5817ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.684151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007432/manifest.json
observed 6650b43798153ef30a4a2c3504b568d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.670407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007432/publication.md
observed 1b899b512ee0a86788c12f517dc2c559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.655460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007432/publication.txt
observed c9140b171f6e7591b561b639bfe0373a...
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.