OpenTechnical

OT-2026-000055127

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000055127) never changes.

Identity and time

Publication numberOT-2026-000055127 · never reused
Internal UUID01a0ae86-5e82-7198-aed4-67be5f018161 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055127
StatusPUBLIC

Content hashes

Canonical textf0ad65bad6f40f971da47f6fc31d697beccfb7311b6f66e5678069076a2da247
Markdown82d9ac764c6411d8c14baef6bc6cc9d521a4a6fe3e5e3ef775553623dfd31ce7
PDF
Publication pagea9891fad6aeb35062ee8af2845716e22fcb6b3c938dca481e914222386670f9d
Manifest34caba2d3015135310eb2b113808aadf671d934e9d85a1db0c9431014c1c0720

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
Signature14vV8RUNz6sN+HaFJpEEiNsoz08wB3jKDZacoM3opyz/XWKts2hEZW81pOf5kjWZzq9EqshzMtq4osELWA8DAg==
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

2026-09-17T10:53:17.828805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055127
observed a9891fad6aeb35062ee8af2845716e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:17.809371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055127/manifest.json
observed 34caba2d3015135310eb2b113808aadf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:17.791350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055127/publication.md
observed 82d9ac764c6411d8c14baef6bc6cc9d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:17.770606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055127/publication.txt
observed f0ad65bad6f40f971da47f6fc31d697b...
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.