OpenTechnical

OT-2026-000037969

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000037969) never changes.

Identity and time

Publication numberOT-2026-000037969 · never reused
Internal UUID01a0ae77-f88a-7f28-843f-d8a5a4ca9dd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037969
StatusPUBLIC

Content hashes

Canonical textc1f1b9b91257712d78b3863d941539a28ced18d2114d594f42b8c9a17370afe4
Markdowne745bafe76215e71bf3678de47819cbac0dc0cefe5102202247a61e2d7fd42c8
PDF
Publication page98f2b90541fec04bd57dd8f34e02fc5204711ecb5d693de88d63c4ebf07af3b3
Manifest757536322b821b7ed7b027ca26c4b2d7da60a550195e16024c55d73c32383efc

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
Signature/AjTp9FSaJfoW58u9J4wJ/5Plkra+BbGAJiEJR/DS4MxOIY/b4fYEuXC/8ZZwHY+Vf01jY0xwz6Yh70KsdmIDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:23:15.671403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037969
observed 98f2b90541fec04bd57dd8f34e02fc52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.653882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037969/manifest.json
observed 757536322b821b7ed7b027ca26c4b2d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.637037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037969/publication.md
observed e745bafe76215e71bf3678de47819cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.619146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037969/publication.txt
observed c1f1b9b91257712d78b3863d941539a2...
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.