OpenTechnical

OT-2026-000100789

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000100789) never changes.

Identity and time

Publication numberOT-2026-000100789 · never reused
Internal UUID01a0aea3-66f5-7f4a-a4cc-688f2de4f0ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100789
StatusPUBLIC

Content hashes

Canonical texte3f89212e7f77d31eccd5d0e615bcceb287389959d28cfd4ba2a6e9e239ca790
Markdown1a7e28107efed24539cc3a915ed0481435fbb6b4209200e59490a7738c2f897b
PDF
Publication page50c544e4c78f4ed65f09e0fabea15a774761a40b23b09eba660b844abaa85e45
Manifest529ea3f91522da25500a8d21b5c023723823f6503576d7db288a9ea458c6bf4b

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
SignatureY2lkT3C7hJYoeN7WRMtk1RyoPe9OF0NAj6kRN2jBu+4dVBXrEvTnA4YtuG3hCAOSMwnRI6ChCW6rdeD3Zt0dBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:42.028300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100789
observed 50c544e4c78f4ed65f09e0fabea15a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.006458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100789/manifest.json
observed 529ea3f91522da25500a8d21b5c02372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:41.982491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100789/publication.md
observed 1a7e28107efed24539cc3a915ed04814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:41.958399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100789/publication.txt
observed e3f89212e7f77d31eccd5d0e615bcceb...
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.