OpenTechnical

OT-2026-000054886

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000054886) never changes.

Identity and time

Publication numberOT-2026-000054886 · never reused
Internal UUID01a0ae86-1285-7b51-8e02-1d9cc95a760c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054886
StatusPUBLIC

Content hashes

Canonical texta1b1ef78e16d1556b90c1f0054448bccaeee29ed4f0bf42870e328f698786279
Markdowncf6c3af3131715623b6438194b6a4022ec09034078346d3d3525371826cd2f44
PDF
Publication pagebd9453e69908e46f1a225a3e251ff75e35db43b3edbb5ec39cb4b7feb2e6e976
Manifest15c03c58a608288190b5dde26ad20f4e353bd8f4cd07c90ef764f3a3b5d32c50

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
SignaturelAt63qlPNSmMX0bCvirbFqHyYD5tA6qRS4yccbnRtUnph+LQtyY/l6YkkbZyqMyX8Du7xDyeYx53Q/RuzzcrCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:06.684345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054886
observed bd9453e69908e46f1a225a3e251ff75e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.664430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054886/manifest.json
observed 15c03c58a608288190b5dde26ad20f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.647441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054886/publication.md
observed cf6c3af3131715623b6438194b6a4022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.630594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054886/publication.txt
observed a1b1ef78e16d1556b90c1f0054448bcc...
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.