OpenTechnical

OT-2026-000071328

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000071328) never changes.

Identity and time

Publication numberOT-2026-000071328 · never reused
Internal UUID01a0ae91-e0ec-77cd-83c6-09f33eef89b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071328
StatusPUBLIC

Content hashes

Canonical text95459e24ad053f634b7ede115cf53b3a5af88409f378e3edd0c6b456a2b77048
Markdown14a85f1733a16263c37bdd0f583228c0994520f94fd8744b6831e3f8569a34e8
PDF
Publication pagebfcd57093501118042699f2b116dce9c3cf99551a03a9dc4d1c471b23f87fdda
Manifestf57f22017f6a58e38f319f8a152efecb35a44a5ea42792b00efdc4cf5e65cb20

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
SignatureHFK8H7geDpqV2aryotNyUcZJ2TU8HfrxcSgSEW5d8bhPctqHHhZSNyzFzGnv3qMFsWp5NWrYDc1zchwJSh8rDQ==
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

2026-09-17T10:24:55.331137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071328
observed bfcd57093501118042699f2b116dce9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.315175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071328/manifest.json
observed f57f22017f6a58e38f319f8a152efecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.299712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071328/publication.md
observed 14a85f1733a16263c37bdd0f583228c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.281973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071328/publication.txt
observed 95459e24ad053f634b7ede115cf53b3a...
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.