OpenTechnical

OT-2026-000058196

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off after 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-2026-000058196) never changes.

Identity and time

Publication numberOT-2026-000058196 · never reused
Internal UUID01a0ae88-6edb-74d0-bcf2-d29be174c444 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058196
StatusPUBLIC

Content hashes

Canonical text543a6798bab40ab3ed06b72760223e22c5a3134a48cd6f553bd2b6f02c137c2e
Markdown00b36f81ad9d3b411bfb8c57fcf21f6c10ade556ffdd3ababfefa2ac3907854b
PDF
Publication page238d4a5516b03b2fe7c8cc85fae1e86b4af9353379cf71dd8d696f6d7bf17b2d
Manifest51fdc2956dee7089d4638914d33a2b54bd7c05a73deeb139761bab9e97ca6aee

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
Signature7VoUdBhzSjau6w9QXpl7QB2czeU/dUyWDgmRn9L/tSG8ABSeQ/RacqLw0KJ8JZkgHhhf/mpzOVHcHieT+hNBAA==
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...

Independent retrieval

2026-09-17T10:47:54.153169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058196
observed 238d4a5516b03b2fe7c8cc85fae1e86b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.133987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058196/manifest.json
observed 51fdc2956dee7089d4638914d33a2b54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.113417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058196/publication.md
observed 00b36f81ad9d3b411bfb8c57fcf21f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.093648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058196/publication.txt
observed 543a6798bab40ab3ed06b72760223e22...
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.