OpenTechnical

OT-2026-000070102

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three 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-2026-000070102) never changes.

Identity and time

Publication numberOT-2026-000070102 · never reused
Internal UUID01a0ae91-1861-730b-9340-e9c7b920d649 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070102
StatusPUBLIC

Content hashes

Canonical textf8131abc173c398411ad7a6dc4ba9d7d6d3f115ad93a1473a19911150c06af70
Markdownba95d0c288394ec8703937ab2f8f534b5607c80b9139ca63f128a03691be3db7
PDF
Publication page0cca4f679a9cdb69b1eaecbed9f76b8b1c62e8fd75d48ea033534bf62282361a
Manifest9ed9672967f535d3b579c64dc90b6e0dd7e4dadae1baed2435973f291d7654fc

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
SignatureUBKEBhaS39/57iUUm5C6kie9spkxNQ8RPY3WIkMFr7FnCie1mrwAsT8ONXiS2CmN3UIftGk28uM1e2spyhc4AA==
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

2026-09-17T10:27:04.373310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070102
observed 0cca4f679a9cdb69b1eaecbed9f76b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.357990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070102/manifest.json
observed 9ed9672967f535d3b579c64dc90b6e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.341383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070102/publication.md
observed ba95d0c288394ec8703937ab2f8f534b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.323136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070102/publication.txt
observed f8131abc173c398411ad7a6dc4ba9d7d...
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.