OpenTechnical

OT-2026-000081108

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented after set-down

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-2026-000081108) never changes.

Identity and time

Publication numberOT-2026-000081108 · never reused
Internal UUID01a0ae96-b977-7e4b-b5e2-7619e3bcf80a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081108
StatusPUBLIC

Content hashes

Canonical textf1a87e9107e406079521aa1a38ed30d868dfa9299032845d970c8089a1f74eb1
Markdowna7c0df55c8778edc44fa4a19ec7904854d9f237221c5a10acd85b41b98d81e13
PDF
Publication pagefc28b4244aa5ffecbdadb8e49355269d5f400d056ac3f7a54906accc308d5504
Manifest0a9bfcabf9ce1cf9cf0c4c7b62ae4c3c4c6f8161dae3dff9bd30d433078b7436

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
Signature11kc3aXhhrUcYrSX+l9bb1KpJyCrYcpBspkvUOQkXkHdT86itmUD5cKlaMw5/7yZb4n/XXbxks8xJYYHFSYdBg==
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

2026-09-17T10:02:24.949360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081108
observed fc28b4244aa5ffecbdadb8e49355269d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.933011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081108/manifest.json
observed 0a9bfcabf9ce1cf9cf0c4c7b62ae4c3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.915480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081108/publication.md
observed a7c0df55c8778edc44fa4a19ec790485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.899790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081108/publication.txt
observed f1a87e9107e406079521aa1a38ed30d8...
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.