OpenTechnical

OT-2026-000005587

Publication integrity record

Vacuum cup gripper, three zone face, six outlet manifold, pump fed, contact triggered

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-2026-000005587) never changes.

Identity and time

Publication numberOT-2026-000005587 · never reused
Internal UUID01a0a93e-2c6b-78c4-9139-8d5a7a17e234 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:03:39.246186Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005587
StatusPUBLIC

Content hashes

Canonical text681caeed6f3fdaf7a6805e7f2bee120cf896a9e3e1388ea09321c5915962a0cd
Markdownc353b2a36284c9f00cdc24b485c92962ae37b3f32424e0579c70448a4a3b8ba6
PDF
Publication page746eef1b7e236c156c6b00f2c3308e69d607e8dd2b7279205675a2b019182829
Manifestff26f1db0c43fccb3241d932455bb6cded605abd4516896f97bfabec8b02ad75

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
SignatureJffpLUHdQLE3Xn1dx5sjZM47/CECNL1j2whP59Cl3gqJB32/c3nn0BkXgTu66/O0tqNkZ7+ZCO32ei4rItNoDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:23.664231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005587
observed 746eef1b7e236c156c6b00f2c3308e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:23.651280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005587/manifest.json
observed ff26f1db0c43fccb3241d932455bb6cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:23.639111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005587/publication.md
observed c353b2a36284c9f00cdc24b485c92962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:23.625628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005587/publication.txt
observed 681caeed6f3fdaf7a6805e7f2bee120c...
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.