OpenTechnical

OT-2026-000048969

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000048969) never changes.

Identity and time

Publication numberOT-2026-000048969 · never reused
Internal UUID01a0ae81-134c-73f5-ab38-06889289d316 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048969
StatusPUBLIC

Content hashes

Canonical text11651d5422db10d13716dd516dfea616902657081926a81a755aff3e62597db4
Markdowneef65e6d3aaeb23cbddb21f5d91cdcfcec307381ec8ca32a0248e68bafba07d9
PDF
Publication page4f6f007711bb16205afbe4309639f790d5536d0b9832f22e74498b0a2837385d
Manifeste68d2830fc6ccce2bb630cce02d3615fbd2526499b3e65a7120761c81eee3827

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
SignaturehbSP9IacNDbfDtBnOgADWr5oCwSVgjlmkz5WtrAtq7pWclOa9y3A8UJ8iDEqNU5uEs4XMpLbSGj6kQ6NSJm0Bg==
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

2026-09-17T11:03:10.128967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048969
observed 4f6f007711bb16205afbe4309639f790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.110621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048969/manifest.json
observed e68d2830fc6ccce2bb630cce02d3615f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.090383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048969/publication.md
observed eef65e6d3aaeb23cbddb21f5d91cdcfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.070227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048969/publication.txt
observed 11651d5422db10d13716dd516dfea616...
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.