OpenTechnical

OT-2026-000072235

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000072235) never changes.

Identity and time

Publication numberOT-2026-000072235 · never reused
Internal UUID01a0ae92-47c2-7cc5-b2d6-0d3d669e6e59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072235
StatusPUBLIC

Content hashes

Canonical text44499b36fcb5d3721b82dbb6e237780adc386f761c5774e55a3e020b76016168
Markdownf0e4102d4cadcbd526dd4bb0947b7bd927ecf5c1c3a6a8e3f893e88a2e4dae15
PDF
Publication pageef84c67bdadab6ffcfaa2f5fdcfff4390c4c2db05bf91bcd790d98c87c5aa9f5
Manifest3ea47c223d5a779cfb89267237aab43fae3854d2371e6f33895b0523657adcfd

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
SignatureD6C1F/wUnwHQ87ThkBtM5CJ62Rd+cKijYRjgsA4kTgeZ2l7IkuGQfa7kUTFW2Ki6DAvtl3sjHilQ0webe+vwDw==
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

2026-09-17T10:23:20.491188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072235
observed ef84c67bdadab6ffcfaa2f5fdcfff439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:20.474065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072235/manifest.json
observed 3ea47c223d5a779cfb89267237aab43f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:20.456400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072235/publication.md
observed f0e4102d4cadcbd526dd4bb0947b7bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:20.437697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072235/publication.txt
observed 44499b36fcb5d3721b82dbb6e237780a...
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.