OpenTechnical

OT-2026-000070700

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000070700) never changes.

Identity and time

Publication numberOT-2026-000070700 · never reused
Internal UUID01a0ae91-8c2c-72fd-a24d-2cd1cc3d4d95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070700
StatusPUBLIC

Content hashes

Canonical texte6de8dade3e088f02e5191bd4345af3f54d4e40470b1bc1ce628e32f2219cbfc
Markdown232b0c4ec6be68240e3d19867c8075c29f4ed54e12dd2821dde52522fb954a03
PDF
Publication pagecc4d467b2412a55676a69f1966e049179ab0133cfa53ba8e525e28f9a50c6b25
Manifest3690741de82316637643f7db537daa89f5ed1f7fe1a337d32db0361c17a02bc3

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
Signaturern9rZkqbUv5XW+xIYeBtl8f7FMac7PXR8Gzv/Lz1YdUWfAWIp4LCH5OHjw1xy6bF3VJNlcB/NUVUu/rcrdFwDw==
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

2026-09-17T10:25:23.080498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070700
observed cc4d467b2412a55676a69f1966e04917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.064017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070700/manifest.json
observed 3690741de82316637643f7db537daa89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.045928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070700/publication.md
observed 232b0c4ec6be68240e3d19867c8075c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.028289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070700/publication.txt
observed e6de8dade3e088f02e5191bd4345af3f...
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.