OpenTechnical

OT-2026-000026537

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000026537) never changes.

Identity and time

Publication numberOT-2026-000026537 · never reused
Internal UUID01a0ae71-f4a9-7278-a0fb-56fb5cfa508f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026537
StatusPUBLIC

Content hashes

Canonical text1b9ed3a0576665bd6935b07148f99b5d8a703f11cd5e643ed250d1685090cc2c
Markdown7ddc542574fcfe622e463e0e36711344197fd66349260a0cbf8cb2a1644afa57
PDF
Publication page7189d9ccefc3acb6496ef4c3e73c7933fa8cce204530cb8a085fedce0d1d1b25
Manifest3493d1310166555c5de058bf0e068be3e73ce0cbe3b7d1a20ffebc812ce20a77

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
Signature1qAQb5W22l5D6SOUxxje3LN6onsWtPycYvqWja0iYHUMjb7p1GkzJt45i6BBptrJiNvtmyzBetpGKIY7iWveCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:44:39.990774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026537
observed 7189d9ccefc3acb6496ef4c3e73c7933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.973582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026537/manifest.json
observed 3493d1310166555c5de058bf0e068be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.956943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026537/publication.md
observed 7ddc542574fcfe622e463e0e36711344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.941377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026537/publication.txt
observed 1b9ed3a0576665bd6935b07148f99b5d...
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.