OpenTechnical

OT-2026-000027993

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000027993) never changes.

Identity and time

Publication numberOT-2026-000027993 · never reused
Internal UUID01a0ae72-a51f-741f-9ebe-f88274b5da86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027993
StatusPUBLIC

Content hashes

Canonical textf62303731396f3ace1a4bd8fa92803b3ab65c5eb1d8fc9e2f78d99c362149df0
Markdowna35f23d926b39ec520f2b1fc702a96a968399c8946d6fe00e30edb8d6f4ea0c8
PDF
Publication pagea73d8ab7eabbdc18447a2771a416b6c7cdefe76c24877e18e4327f90602b2526
Manifestca682676781b443d9cc6669447d10801a4988ae6a99def485b233ec9122b6a40

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
SignaturexjQBM9+4QUYVQRz/pinccWoQPGPhiZ+GcvnNoaHckeZp3IsFiytjarN6uNAH195zD2UqrbgG13LIYFvM7l5SBw==
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

2026-09-17T11:42:12.026235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027993
observed a73d8ab7eabbdc18447a2771a416b6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.009371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027993/manifest.json
observed ca682676781b443d9cc6669447d10801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.991825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027993/publication.md
observed a35f23d926b39ec520f2b1fc702a96a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.974452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027993/publication.txt
observed f62303731396f3ace1a4bd8fa92803b3...
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.