OpenTechnical

OT-2026-000077636

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000077636) never changes.

Identity and time

Publication numberOT-2026-000077636 · never reused
Internal UUID01a0ae95-2ecf-79cc-bc6d-21785943b92e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077636
StatusPUBLIC

Content hashes

Canonical textb74983e4764cd9f4d8cabdff49c4e722d874a1069d6b98316be1ef5da61771b9
Markdown06d6158c132db8f3502842a3fc1ec71e074cf47fb97ef70f26bd621c256167e1
PDF
Publication pagef9dc30574f365c3ca9299e667f44b01d254c1ed0a6191ad47a4118e783a1fb5f
Manifest0be8289fe868f1483a65a0f16c764f0949c18fe1bac2bda46bd0c2f417a3a85e

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
Signature8BQv+hiHpsvNfNznL8g2MUId1vQCKEZ0gXqDiGzfnJo+qbrI6Uc8hBFcTa/C3j2zbpUUPAhnkPnVPF2ZawSmBg==
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

2026-09-17T10:06:54.725305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077636
observed f9dc30574f365c3ca9299e667f44b01d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.707861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077636/manifest.json
observed 0be8289fe868f1483a65a0f16c764f09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.689986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077636/publication.md
observed 06d6158c132db8f3502842a3fc1ec71e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.673410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077636/publication.txt
observed b74983e4764cd9f4d8cabdff49c4e722...
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.