OpenTechnical

OT-2026-000067520

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000067520) never changes.

Identity and time

Publication numberOT-2026-000067520 · never reused
Internal UUID01a0ae8f-6bda-7d54-89c5-6310b9bc5ab5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067520
StatusPUBLIC

Content hashes

Canonical text1d7fbce497b78e1b97e17ce573959348add0312309bc932ff53958daa4060ce4
Markdown70dd71edba8662ef6be897fe44921e8b781786c181173f8d582c8fbe5afedce0
PDF
Publication page670bd59723a0b8f3eda93a196717404564925f397773d7ac764ef66eb2e75184
Manifest6a7cd2f72e6d264c8ee22a9b3faf9a00c7d8e4d14a3208b4d0e5e3b23563206d

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
SignatureZCxe/I7PBYXwi0C4L8Xo8PbsJjcszJlMfeJ0DEeMf1zAGhQepqu6jLh77/4gahnoolZOX3zH862WhFZ00burDw==
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

2026-09-17T10:31:49.218137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067520
observed 670bd59723a0b8f3eda93a1967174045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:49.200992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067520/manifest.json
observed 6a7cd2f72e6d264c8ee22a9b3faf9a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:49.183535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067520/publication.md
observed 70dd71edba8662ef6be897fe44921e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:49.166893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067520/publication.txt
observed 1d7fbce497b78e1b97e17ce573959348...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent