OpenTechnical

OT-2026-000052716

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000052716) never changes.

Identity and time

Publication numberOT-2026-000052716 · never reused
Internal UUID01a0ae84-a42d-77a8-a3c0-547a3e025190 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052716
StatusPUBLIC

Content hashes

Canonical text3c6c0fd9f5cf2a6695843c65e6844b9280c21d22c37dd24f82ab9c8f8e038ff3
Markdown14e84262989aa80529e6197c67ad2380ec1472e66fbac36ab2209c99c3b61fed
PDF
Publication page4b3c0e137e0617c9dd1c7b7cbf1c7bb8017bbcbdb9272c2cb3f0949bd6b2987e
Manifestea894acd5e544d53b9288c88a710fa76303dc5e203a87f7f249f107ba6f1f3a0

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
SignaturenjRw5ZiKYx+gckelpwXDZ4uqXiwI0j+0nyYkXXS4vGEpo4ORyOHaDeB1u+KtV30xrlgLRXeN/KN1bx299E8jBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:42.363560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052716
observed 4b3c0e137e0617c9dd1c7b7cbf1c7bb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.345935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052716/manifest.json
observed ea894acd5e544d53b9288c88a710fa76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.327460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052716/publication.md
observed 14e84262989aa80529e6197c67ad2380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.309027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052716/publication.txt
observed 3c6c0fd9f5cf2a6695843c65e6844b92...
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.