OpenTechnical

OT-2026-000100107

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000100107) never changes.

Identity and time

Publication numberOT-2026-000100107 · never reused
Internal UUID01a0aea3-1474-795c-a937-7c8388805732 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100107
StatusPUBLIC

Content hashes

Canonical text3aec233397d1f90f3a5bf9d8414a2ba36ca6eda458541ad8fd54c61242f4af24
Markdown96326410aee15347f2a5be1a11ba82f74c8ab603f4116868f41adb83f06ab04c
PDF
Publication page48f8f50e33e19effa401298fb55f478752b5da6d059b242e6116f28e3f63fbd1
Manifest8df8b8e87826d05d4c1db279e6a9c7f3f4618838d355fa7b48d9e314e666cb2b

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
SignatureJVnpP9hnzXS9d/X047SHWRmqN3PckElLwJXKClT6qhH+GSGivuKl5C2CXN1dGy/EXqY+yLsWMjq+gyoJrvANDA==
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

2026-09-17T09:29:04.141652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100107
observed 48f8f50e33e19effa401298fb55f4787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:04.120422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100107/manifest.json
observed 8df8b8e87826d05d4c1db279e6a9c7f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:04.102502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100107/publication.md
observed 96326410aee15347f2a5be1a11ba82f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:04.084395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100107/publication.txt
observed 3aec233397d1f90f3a5bf9d8414a2ba3...
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.