OpenTechnical

OT-2026-000026545

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000026545) never changes.

Identity and time

Publication numberOT-2026-000026545 · never reused
Internal UUID01a0ae71-f4a9-7597-9d80-e42e69bcc8c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026545
StatusPUBLIC

Content hashes

Canonical text881c0070a90a8401637f75c58e3ebbbeee79a13b8d3ad84e14d152e9d6dbeec3
Markdown38f87a11c3347540cd9cbd6325a8f03ca2d9033584ccebe2a321dcdc27a863b3
PDF
Publication page3e988424832eefd286aef2c66fbc30ab4e9622d455c41415095ebec1cef0697e
Manifest67dce8b91af56b24d19091d2a90757c0c36fc797998386844458bc980947d5c3

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
Signatureigk6B4RPTUn5YahizSvQ2aF8G166thDcvZldeNDi3bV/lcp6cM7uic4vRAccOJ85n7mYSq3Vq29YasnRFtalCQ==
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

2026-09-17T11:44:40.500881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026545
observed 3e988424832eefd286aef2c66fbc30ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.479746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026545/manifest.json
observed 67dce8b91af56b24d19091d2a90757c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.461409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026545/publication.md
observed 38f87a11c3347540cd9cbd6325a8f03c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.443799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026545/publication.txt
observed 881c0070a90a8401637f75c58e3ebbbe...
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.