OpenTechnical

OT-2026-000062515

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000062515) never changes.

Identity and time

Publication numberOT-2026-000062515 · never reused
Internal UUID01a0ae8c-0ac0-768a-97e0-31f88edc59c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062515
StatusPUBLIC

Content hashes

Canonical text3cedee5a1efd6a6d33c06fc9991de7fed0b4a34416da07e672fac19968989323
Markdown83586b2920170fc626ad09eeb2093d9ff8a76a70414cde43dd6a077bd0ef9cb6
PDF
Publication page9402757dd66380fd385d32290385ed836a2b566f679c5ac02e7356192ea02944
Manifest55684cb773f646eb26687852ab628e890d69c68cf7bbb7b2c06efbd3a10fa8be

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
Signaturej3dae/94nitQFKoL8eLv/SQithy6jeoPtmC6QMkXM/vpRR3SjpPABxzna+jc5RStlIikZx4F5jsKpar7BpzrBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:58.157906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062515
observed 9402757dd66380fd385d32290385ed83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.138442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062515/manifest.json
observed 55684cb773f646eb26687852ab628e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.118218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062515/publication.md
observed 83586b2920170fc626ad09eeb2093d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.099967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062515/publication.txt
observed 3cedee5a1efd6a6d33c06fc9991de7fe...
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.