OpenTechnical

OT-2026-000005848

Publication integrity record

Vacuum cup gripper, three zone face, two outlet manifold, pump fed, pressure verified, silicone cups

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-2026-000005848) never changes.

Identity and time

Publication numberOT-2026-000005848 · never reused
Internal UUID01a0a946-e7ad-7830-8e11-3c85a6dfa37e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:13:11.472084Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005848
StatusPUBLIC

Content hashes

Canonical text92fc64468b5a6aa20ef2cacc00f320cee4dbd4c7dfdd0b46a2f767e71e0210c7
Markdown5187c29604e70882099f3f4c29faf154f44974cc8d9d9a4c65d358beda708c04
PDF
Publication page8cf7dcf6c32bfb2e4176302febbb0789019d7c87e2c5250a5a3becedf6a1d39a
Manifestaca5af2754e4f561e7bad7aa2fe0d84c8dd70eb13a2523077bb9f0c0c8ea1dc5

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
Signature0GZlCqaMwu/5K6/2jV7592AatLkCGgPnrchn9+BJPRVlKLtvoL3kXdiy8dgNcCjlsoB/ClbNofJ2ieEW37DIAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:25.888240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005848
observed 8cf7dcf6c32bfb2e4176302febbb0789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:25.873602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005848/manifest.json
observed aca5af2754e4f561e7bad7aa2fe0d84c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:25.740258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005848/publication.md
observed 5187c29604e70882099f3f4c29faf154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:25.726497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005848/publication.txt
observed 92fc64468b5a6aa20ef2cacc00f320ce...
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.