OpenTechnical

OT-2026-000026386

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000026386) never changes.

Identity and time

Publication numberOT-2026-000026386 · never reused
Internal UUID01a0ae71-f4a7-7cab-a29c-97f4d0bff3e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026386
StatusPUBLIC

Content hashes

Canonical text40cab3a46561f95e642940651f14d4064e8ad1bf4a12d3036eda7f86bfbc89c4
Markdownd37984d295ccdfadec55511c289ecae9c58cff2da93743d01288136d15ef29f0
PDF
Publication page7d2934d0937c4b9456722cf65c57b1f7635613dbf263de9381cb2d48151412a6
Manifest8abf4da02cfff26710b4e74f9154836b99ead9d01a4cb94a0c3c7d660c781225

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
Signature1n2kjG10f0WupSI57CGYCZF0q7sxHoaX4NL7X4h0POvmWjE4G18InJMx1zM5JuUyc+cNe6cGbDRfcQ4w79BABA==
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

2026-09-17T11:44:22.073592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026386
observed 7d2934d0937c4b9456722cf65c57b1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.055821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026386/manifest.json
observed 8abf4da02cfff26710b4e74f9154836b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.039569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026386/publication.md
observed d37984d295ccdfadec55511c289ecae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.022667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026386/publication.txt
observed 40cab3a46561f95e642940651f14d406...
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.