OpenTechnical

OT-2026-000101272

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000101272) never changes.

Identity and time

Publication numberOT-2026-000101272 · never reused
Internal UUID01a0aea3-c379-7516-bb1a-3dfc7e5f8c7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101272
StatusPUBLIC

Content hashes

Canonical text5c1778fc686bbde1476260ab0eda78f805aba920e4fc320f89896b8d9aa46452
Markdown8f6b1a2716233beb594d0a1b3852fb85bf1f74af24eb48b6c180f9c9f1e9f2dd
PDF
Publication page71e108189b3fdf18b454b2425fe3cd47c2a2baea1793201f200700b27b5d0b1b
Manifestade91320c5e18106eea51a2bcb365dabebeba61fba3088ada0605f93c3314ccd

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
SignatureObT3XJPiClMZ+0nyJNvnK7BQI+uO8yUk9x11Ceu8uhSP5z4qV/JhZt2OxdlFxvhybJvhR8JZyAvA53EPZPrhCA==
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

2026-09-17T09:26:56.365429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101272
observed 71e108189b3fdf18b454b2425fe3cd47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:56.349412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101272/manifest.json
observed ade91320c5e18106eea51a2bcb365dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:56.332095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101272/publication.md
observed 8f6b1a2716233beb594d0a1b3852fb85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:56.314479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101272/publication.txt
observed 5c1778fc686bbde1476260ab0eda78f8...
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.