OpenTechnical

OT-2026-000082471

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000082471) never changes.

Identity and time

Publication numberOT-2026-000082471 · never reused
Internal UUID01a0ae97-4d97-74a3-ba99-4b732a03dfbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082471
StatusPUBLIC

Content hashes

Canonical text31fec4b40534d83cf51ad1d04ed4b0db32c1874e6feb74afb3f8089a248d07a1
Markdown3c8a61dc2b14d73af7e4051e6f547d32c759c385947d28ce0005e879c2e94f10
PDF
Publication page31b733c1011f3f8a20543eb5f7483a4213c8b55721e04b1ad344f69f6acf4750
Manifest63a3c63116a5a4890bfb5bc87827ed09ca4bf0ebae5fd96013f069171e0f87df

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
Signature02k/yAMzRwYigAAvUfbvH8QBWslmJXNoxEIxBgg364hiDhG8Kaipc/8iy+x998ek1H959ccXZEgFp2x4rY9lDg==
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

2026-09-17T09:59:28.500191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082471
observed 31b733c1011f3f8a20543eb5f7483a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:28.483068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082471/manifest.json
observed 63a3c63116a5a4890bfb5bc87827ed09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:28.466983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082471/publication.md
observed 3c8a61dc2b14d73af7e4051e6f547d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:28.449562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082471/publication.txt
observed 31fec4b40534d83cf51ad1d04ed4b0db...
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.