OpenTechnical

OT-2026-000054132

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000054132) never changes.

Identity and time

Publication numberOT-2026-000054132 · never reused
Internal UUID01a0ae85-b3a8-738e-ab26-55ac34e3832b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054132
StatusPUBLIC

Content hashes

Canonical textb8ff91b946f5ad896c95e73186a04a270f2eb293ed477af8bbe4c7f5876a9c7d
Markdown58a3c4b664dd8362f03a3c6a2c6cf84295b8ff7af7e1395ee571a509c6680cf6
PDF
Publication page3c6d5fe43bd750ae3111db3740530ecdf743436071a2ad02083df167e4dd652f
Manifest8c25bf602b09f34b0fcaded3a1cfbb1db6c718df2f827e1f86abfebe99be1622

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
SignaturexK6TosObcGw6TLrkyVHawhpQzcwHPz53t9S7OK2sqkDwPzIhN/JpXAjRbnb9eUcNh4MvILvsb19Shl8Qv12RAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:33.570979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054132
observed 3c6d5fe43bd750ae3111db3740530ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.550811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054132/manifest.json
observed 8c25bf602b09f34b0fcaded3a1cfbb1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.531813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054132/publication.md
observed 58a3c4b664dd8362f03a3c6a2c6cf842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.512492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054132/publication.txt
observed b8ff91b946f5ad896c95e73186a04a27...
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.