OpenTechnical

OT-2026-000038605

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000038605) never changes.

Identity and time

Publication numberOT-2026-000038605 · never reused
Internal UUID01a0ae78-2d54-7b4f-af97-8b757b0240b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038605
StatusPUBLIC

Content hashes

Canonical text5045a1d5933811a13760689162be0148cd0c4c1a7d2cc4c58bbee7d69e9500d8
Markdown2620ef2fb2c05c8e121682c1d4722f2433590e4eda105c1b9668deefbee5b88f
PDF
Publication pageba4325f2a4bdafd0834b281c55b18235d94145e8edabe4970437c37734ea0280
Manifest529cac6c74df4d8066d235f46a962508615a89caa632d5122081aaaba47ee79a

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
SignatureWTfmS6IaeR3Vn+8r3zCzf+YYmZPaWfQ7rdMmA5orUmio8KBS+d0eOttbwZnqTO56t++B854QCaEnrH1geaWaBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:22:53.629166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038605
observed ba4325f2a4bdafd0834b281c55b18235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:53.609936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038605/manifest.json
observed 529cac6c74df4d8066d235f46a962508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:53.590817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038605/publication.md
observed 2620ef2fb2c05c8e121682c1d4722f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:53.572760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038605/publication.txt
observed 5045a1d5933811a13760689162be0148...
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.