OpenTechnical

OT-2026-000047551

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000047551) never changes.

Identity and time

Publication numberOT-2026-000047551 · never reused
Internal UUID01a0ae7f-3e59-76d3-8e0f-1e98267ad88e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047551
StatusPUBLIC

Content hashes

Canonical text16b10b71b94e9799f17b2f2457767a125fd2e00a32e8159a102e50f48849d3c4
Markdowndfae2570d23362671b2eee405abda06e0c9ef496b3715501e7e866a472cc70e9
PDF
Publication paged67b0bde06e553a7dca445271186a7c5a3816a264fd1e0e9a4d2e88f7b105ada
Manifest61a9307c25248b9f3e6449520f1eee591d624f322f94f4b89ece1767d6e9c176

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
SignatureEA1dVavZ+4sQrc2RYBAkgW+3YcxXfG9D2SGDW5Il/iikTrJkyVxQYogmQuHhJ/8r2Ao7xUu6+BU4Uyz/dsbBAw==
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

2026-09-17T11:06:40.271477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047551
observed d67b0bde06e553a7dca445271186a7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.254188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047551/manifest.json
observed 61a9307c25248b9f3e6449520f1eee59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.226065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047551/publication.md
observed dfae2570d23362671b2eee405abda06e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.199513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047551/publication.txt
observed 16b10b71b94e9799f17b2f2457767a12...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent