OpenTechnical

OT-2026-000008549

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000008549) never changes.

Identity and time

Publication numberOT-2026-000008549 · never reused
Internal UUID01a0ae6a-e46b-7625-b4a3-54cc1b7f734f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008549
StatusPUBLIC

Content hashes

Canonical text4ddf1923249ea6f911f8a86e2d62add03cb2213b0e99b472f0de2bf30830d6be
Markdownbe32687e50873f86112cbce89ad2a4f852aa4925cd71f5e7c7000c59291f39e1
PDF
Publication pagec0ae1cb2af4c942b762ed865fe52de57a2da70978c40cd1e50502f2165b27220
Manifest43800eef1efb5ec5c8fe8aee40c4e903a984de2287502ed977f2062b9beaba13

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
SignaturesQ/jm6xlGUul1wANv1OFFVahai9yxtmQKmqqaJEjzkk0JtwDE6MV6gEJy2egpNM9+8FnKOcUz3icpDJcdOfRCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:28.727084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008549
observed c0ae1cb2af4c942b762ed865fe52de57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:28.708018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008549/manifest.json
observed 43800eef1efb5ec5c8fe8aee40c4e903...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:28.686514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008549/publication.md
observed be32687e50873f86112cbce89ad2a4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:28.663768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008549/publication.txt
observed 4ddf1923249ea6f911f8a86e2d62add0...
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.