OpenTechnical

OT-2026-000023500

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000023500) never changes.

Identity and time

Publication numberOT-2026-000023500 · never reused
Internal UUID01a0ae70-7269-7b63-8b84-5fc45ec419c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023500
StatusPUBLIC

Content hashes

Canonical text1b2beb5fbab2b2274267a745f66adb373be802c67a79230d93928a96a28c8a2f
Markdown458a8a41a365c6136866ed1c64e9308b5887e19c708ad7e6b755f27b0aad2785
PDF
Publication page8afe2aefa82875ede590e1babe9c9464bd72aba532f484cb722f1f0d2232dab7
Manifest729ed5e5d2c2f74b574dfd9bddd0887284e8f27e0512a753d3fe4903f8fa266f

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
Signaturem6N5rpHxz16LQ51KDU7m4TfE27Dw6eHq7LLrsxNo59l5Cgmfpz0tIOTyeaJqf3BQXvmHwvHTRcK9FMnuxt/HCQ==
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

2026-09-17T11:51:43.951013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023500
observed 8afe2aefa82875ede590e1babe9c9464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.933092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023500/manifest.json
observed 729ed5e5d2c2f74b574dfd9bddd08872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.914210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023500/publication.md
observed 458a8a41a365c6136866ed1c64e9308b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.896187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023500/publication.txt
observed 1b2beb5fbab2b2274267a745f66adb37...
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.