OpenTechnical

OT-2026-000088550

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000088550) never changes.

Identity and time

Publication numberOT-2026-000088550 · never reused
Internal UUID01a0ae9b-8f0e-789f-b195-1242202344ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088550
StatusPUBLIC

Content hashes

Canonical textd5e191a566207842268f04da3085cebfbffda115d546aef069048d001ce8f7ad
Markdownbaef2e5c467adee5f32b02ce4367d89c751c019b2894140eac9cf37c543c74b4
PDF
Publication page1d90ae5f73c08384b6a674dccd65ffb28f50ee3b2fd3122dd6f9b12a453b81da
Manifestbba2326471fb9a8778be68cc9228cd771c5274cea31b1ac453d4616bb72bbbec

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
Signaturexp+SnltdVWgzfR9+8K+MCpwCu3ndx/rUSNnghjMvibIzrxlXUn/m4x6Mr/h53yV2dfAhG96yew5FNlOrjM+QAA==
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

2026-09-17T09:47:43.296637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088550
observed 1d90ae5f73c08384b6a674dccd65ffb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.276078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088550/manifest.json
observed bba2326471fb9a8778be68cc9228cd77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.257585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088550/publication.md
observed baef2e5c467adee5f32b02ce4367d89c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.238049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088550/publication.txt
observed d5e191a566207842268f04da3085cebf...
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.