OpenTechnical

OT-2026-000037309

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000037309) never changes.

Identity and time

Publication numberOT-2026-000037309 · never reused
Internal UUID01a0ae77-b8cd-759e-a64a-9d5fde5d4d82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037309
StatusPUBLIC

Content hashes

Canonical textcfc3e049088bac6c6912712f005fb3c1214d1e9cbaa812474f5e1a0fbaac0382
Markdown7c44c6d91c7e3bc65ab97da22f9f51eb663b504900530aadd204f21748f5d949
PDF
Publication page3eef07cac834e4577b484a3995d1b0dcf28f8ba9c2b3805e7adc75d7e6cd0869
Manifest05e31df0ba74e9934506ac513ec284ca83589f14cd226adb1f41d07a1d59d122

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
SignatureGeFteYy/2we5HDWFbo7ky6/Jqy+FgKtSnhapID4IDu9dHxzfeHl5ApPS16zlZbjP1txO0W4Q6KU8ZYSqZGoiBQ==
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

2026-09-17T11:23:36.198387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037309
observed 3eef07cac834e4577b484a3995d1b0dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:36.178615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037309/manifest.json
observed 05e31df0ba74e9934506ac513ec284ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:36.161195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037309/publication.md
observed 7c44c6d91c7e3bc65ab97da22f9f51eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:36.143208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037309/publication.txt
observed cfc3e049088bac6c6912712f005fb3c1...
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.