OpenTechnical

OT-2026-000057639

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000057639) never changes.

Identity and time

Publication numberOT-2026-000057639 · never reused
Internal UUID01a0ae88-2694-720a-881a-3f111206ce68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057639
StatusPUBLIC

Content hashes

Canonical text639b98c16ddfc81f67d7d6a812d60230e43cdf8b4a4e2c39cdf6838097ce27c4
Markdown80a08aa6f95158dd5d3fc4b22466e81c47f5e780add393db85e433940d0d843c
PDF
Publication pageb441e2bad95542f7e9a6186acbc714476c25e736e92d2e861fa0623d11401417
Manifest04b4d9f1345fbfb7bf65120d7b31e771550dac74658be7c649b59ae6eb8c3fba

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
SignatureEglH7LKvydo9exJH/InRlKQyDZqFkXPhYezmOBBwju9nKLMKEiq1Kto6kaKpwXEa7b3LG+6J/20Lbo1LT0pFAg==
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...

Independent retrieval

2026-09-17T10:48:12.174030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057639
observed b441e2bad95542f7e9a6186acbc71447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.156208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057639/manifest.json
observed 04b4d9f1345fbfb7bf65120d7b31e771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.136804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057639/publication.md
observed 80a08aa6f95158dd5d3fc4b22466e81c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.118706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057639/publication.txt
observed 639b98c16ddfc81f67d7d6a812d60230...
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.