OpenTechnical

OT-2026-000102504

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000102504) never changes.

Identity and time

Publication numberOT-2026-000102504 · never reused
Internal UUID01a0aea4-858a-7e96-8f9c-2aff4c3acea8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102504
StatusPUBLIC

Content hashes

Canonical text5ec3c8028ba41a14df0e83dc9838095ff52e10f0ddc1c3c86ca5c7697f9f7bd4
Markdown35dc627fa9fbcc8631f20b4ef96c9140390720129c83b66d20f5723301007d63
PDF
Publication page811c1cee262a46eaf39fa8e43e138ae2e51f766fa372f50e3f394d3e4d7a257d
Manifest0231ba5c2189ea4208c562100491e3ff77b987fc8c269d5db6aeefce1f93bf68

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
SignaturelWJMDutLNGuLZ1fnVut8h2lYoGwALbLF4ACrHIsMOAaXACDT5XZ19GthC4sMST6ZMhbjM2YjvJvW1fw0FuOyCw==
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

2026-09-17T09:23:51.629517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102504
observed 811c1cee262a46eaf39fa8e43e138ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:51.609557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102504/manifest.json
observed 0231ba5c2189ea4208c562100491e3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:51.592613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102504/publication.md
observed 35dc627fa9fbcc8631f20b4ef96c9140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:51.571713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102504/publication.txt
observed 5ec3c8028ba41a14df0e83dc9838095f...
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.