OpenTechnical

OT-2026-000009077

Publication integrity record

Foam pad vacuum gripper, single stage ejector, vented 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-2026-000009077) never changes.

Identity and time

Publication numberOT-2026-000009077 · never reused
Internal UUID01a0ae6b-31b8-7076-9646-81b2730f2a8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009077
StatusPUBLIC

Content hashes

Canonical text8df929ba831d81e530ccb32e5a4ebe82e022c2727e01595185d1d6b69ea73d7c
Markdown0c43cfdf10945c449cb1908525dbb828f265923e9a9d065c89e7bfdcc643fd00
PDF
Publication page322ee09b569712cc2912111c20c532fd68639ff618e13c0abb389b2adbabf7c9
Manifest3416561e00fbbd05a9ca153ff8bbba9bfc30a5f432e17cf0a5f3e298fd9ba631

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
Signature4KxMQFJBRx+Y6sw6YA1Q6RG/mRAUm123VOWa0q67hTAhJGUAs9r5WVAB+agpvjSrZafIKmrWVikJjfZSx3OSBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:44.730239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009077
observed 322ee09b569712cc2912111c20c532fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:44.709827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009077/manifest.json
observed 3416561e00fbbd05a9ca153ff8bbba9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:44.606871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009077/publication.md
observed 0c43cfdf10945c449cb1908525dbb828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:44.587751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009077/publication.txt
observed 8df929ba831d81e530ccb32e5a4ebe82...
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.