OpenTechnical

OT-2026-000069588

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000069588) never changes.

Identity and time

Publication numberOT-2026-000069588 · never reused
Internal UUID01a0ae90-b52b-7380-9abf-b9e4794215d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069588
StatusPUBLIC

Content hashes

Canonical text68ba16884c25478bc9c7346d7a5a08536b358ed31d08dcfb27bba376938edc43
Markdownd59ddbc2bdb949761cc2e4663e6f88f646e8464a55449a82bebe4ab7f6ec597f
PDF
Publication page5d867e7e9af9980ce09f65762862756938c47101e097742d1e9d3c1161ee24b8
Manifest7211b122d4e9ec86c197bc2c5647bb325b184df79bc9044344707d4055c422b9

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
Signature5WCS36hHVHZW5qogMJ/KhwR9cHEyS6HZQZ1Oc+ULwth4Ii0QLVUUaATVVXZinImw46yPMfHFJPhhFwpRQphrBA==
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

2026-09-17T10:28:14.746791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069588
observed 5d867e7e9af9980ce09f657628627569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.730747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069588/manifest.json
observed 7211b122d4e9ec86c197bc2c5647bb32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.712215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069588/publication.md
observed d59ddbc2bdb949761cc2e4663e6f88f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.693636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069588/publication.txt
observed 68ba16884c25478bc9c7346d7a5a0853...
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.