OpenTechnical

OT-2026-000085502

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000085502) never changes.

Identity and time

Publication numberOT-2026-000085502 · never reused
Internal UUID01a0ae99-aaac-70c5-b282-6f07e41b6438 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085502
StatusPUBLIC

Content hashes

Canonical text8b5923765335f33379715ee131f74d2cf498291dc8c7b9d9eea050bd6010cc63
Markdown3536dc0c7e48f31b3bf6028f213ea4e2436a793835533821741e2073f8b16824
PDF
Publication page5d6eb439d63ef587f467efa9ba9f58b562ef2d0b5b9a7c7faa738017f84b9c8c
Manifest2be3713bbcf2fd309ff1fb7d2ebf9859eabde90e35b8507de044978e04a1ade8

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
SignatureVtRWaQKoM9rXtsM4vs+xNYAUrEkNEhbT8YB9v3qfh8KI7ItHmWMiojIkJXLuHyxgc1l8teghYKyEFDRSkdQ5Ag==
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

2026-09-17T09:54:18.274956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085502
observed 5d6eb439d63ef587f467efa9ba9f58b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.258568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085502/manifest.json
observed 2be3713bbcf2fd309ff1fb7d2ebf9859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.242085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085502/publication.md
observed 3536dc0c7e48f31b3bf6028f213ea4e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.223647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085502/publication.txt
observed 8b5923765335f33379715ee131f74d2c...
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.