OpenTechnical

OT-2026-000055465

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, vented before 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-2026-000055465) never changes.

Identity and time

Publication numberOT-2026-000055465 · never reused
Internal UUID01a0ae86-a102-765e-b8e2-06569926f430 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055465
StatusPUBLIC

Content hashes

Canonical text3be4609950239a6a473d665effe282fea792a6b73475878e570a8d6f08f6c7c5
Markdownc85feebb1119d531bc40bdc7caf5efc8f31a828cdc4963512c1902d43a9bbcd9
PDF
Publication pagee4e6af04fcb652245797edf4a1d09bd55d414d243004811ed4cb77fc1d4ac081
Manifest5d842e0bc2e01b3fda90708d8ff688a941306139316a5815d9f341467994ee92

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
Signature6GdHM1nC50L22n4QKFt934abMcwo22t4aYdIuF8HONL8gGhZ2xCxMpSQvbQ5J3/vDGv97JEGbTjC+o/gZwegAg==
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

2026-09-17T10:52:07.535692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055465
observed e4e6af04fcb652245797edf4a1d09bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:07.518933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055465/manifest.json
observed 5d842e0bc2e01b3fda90708d8ff688a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:07.502519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055465/publication.md
observed c85feebb1119d531bc40bdc7caf5efc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:07.483274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055465/publication.txt
observed 3be4609950239a6a473d665effe282fe...
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.