OpenTechnical

OT-2026-000084490

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000084490) never changes.

Identity and time

Publication numberOT-2026-000084490 · never reused
Internal UUID01a0ae98-5b63-7e74-b469-866ffd54b885 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084490
StatusPUBLIC

Content hashes

Canonical text3d84d1901ba41c172561612b3cba6cea35a8c82e1556b42986fc8c410885a3d0
Markdowncc9706260244b44cc7d655fddb07bb3e42e6239830ff52d82037332802c90e7b
PDF
Publication pagefa27c6be8f3055f455c1510564727c034d8fa348643c0583b5c2d4a5cfa9e9d0
Manifest2ea3b6fe99bc1dab94a669bead409e6b3e74e0dcfa6daa447ac99153eac84245

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
SignaturestcHK7dEpBGIJMi1GIM+PlhWvMMoW7ILZwlHLOR4NhF2y90QcZ/vAcKy372wwXcTRLdadaO73VW9S3Lyb+h7AQ==
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

2026-09-17T09:56:27.558278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084490
observed fa27c6be8f3055f455c1510564727c03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.541749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084490/manifest.json
observed 2ea3b6fe99bc1dab94a669bead409e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.522899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084490/publication.md
observed cc9706260244b44cc7d655fddb07bb3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.506668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084490/publication.txt
observed 3d84d1901ba41c172561612b3cba6cea...
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.