OpenTechnical

OT-2026-000091119

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000091119) never changes.

Identity and time

Publication numberOT-2026-000091119 · never reused
Internal UUID01a0ae9c-f16b-755a-a906-4383a9f0f71e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091119
StatusPUBLIC

Content hashes

Canonical text30be600380d2123ce85f5ded4ed3ca9f66fe39fe3c66f420252191db426f4dbd
Markdownb06e9efa82ce7885bc1853f40049e59b5f5e00629f2c371c086a1a91db9d4ac7
PDF
Publication pagea8b395057feb09853fd0be3ede2c398a03caaea39e1b7bec71167e779680c0dd
Manifest6db047cf05d655d4bf7c59554fd7ae4ee62f6c40e8b974e4b247adc5fd6ee58a

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
SignatureBnN7dRdDiCWiK1uwZrZZX6oaEiZhPItX8bs4Zch6CTgGd0KsFaQhDE0lDEc0y0Et94xybajv2NDJDre6sRZICw==
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

2026-09-17T09:43:16.362885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091119
observed a8b395057feb09853fd0be3ede2c398a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.345891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091119/manifest.json
observed 6db047cf05d655d4bf7c59554fd7ae4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.330135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091119/publication.md
observed b06e9efa82ce7885bc1853f40049e59b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.313960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091119/publication.txt
observed 30be600380d2123ce85f5ded4ed3ca9f...
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.