OpenTechnical

OT-2026-000081062

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000081062) never changes.

Identity and time

Publication numberOT-2026-000081062 · never reused
Internal UUID01a0ae96-b976-7e48-8d11-ae4a306db26b · 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-2026-000081062
StatusPUBLIC

Content hashes

Canonical text49e49a35293431a6f87d0e69cb3584b651096a77ffbd668517199a33befd2cc0
Markdown0b658375bff4553111f276dcdd62eccff49f8ccc21fc135f9e4627190c3ce515
PDF
Publication pageaa604a8d03a25d2d6037f24342ece66bb437e65ba18bceb8d669c9d2925b43b8
Manifest3402d98e8f8c4256102a05dfc63735835720ea9866cd242c8b06f7ff9c5b5b1c

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
Signature91zb2+CWuq2G5B/7g9RHjNBCwSIhjTseVg1s9A1U8XmWUmt8YuYO7Z+z62VK3YQyf0LmjjATpAjyXe47Ij5ECg==
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

2026-09-17T10:02:21.516726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081062
observed aa604a8d03a25d2d6037f24342ece66b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.496845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081062/manifest.json
observed 3402d98e8f8c4256102a05dfc6373583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.478003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081062/publication.md
observed 0b658375bff4553111f276dcdd62eccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.460901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081062/publication.txt
observed 49e49a35293431a6f87d0e69cb3584b6...
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.