OpenTechnical

OT-2026-000079952

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000079952) never changes.

Identity and time

Publication numberOT-2026-000079952 · never reused
Internal UUID01a0ae96-4377-715a-b8ab-3792e5032139 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079952
StatusPUBLIC

Content hashes

Canonical texte4446e688216437aea6af32c47a68e60f60a4b22787d37de35f0d975f90dad0a
Markdown0bcb35a9b62744b61cfa2ed2caf84fb9f7f7e176662a6d92a36c25e0951726a9
PDF
Publication pagec065d3fbfc61c57b68d04b0f9bc806ba75720aef26f9bc2e4fe8bd812ebad915
Manifestee98e7c7eba0e6e2dd005b6fe050ecf63a734569791758d977946356473a0e88

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
SignatureKCDWzCX1XnnCPPFnyDthQtHdACBjIKjL3EzCkLhHSoryn9IGbzf/3/LtRxJYlMD1sbNXOzylm9tHF5pVya7MAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:51.686224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079952
observed c065d3fbfc61c57b68d04b0f9bc806ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.667186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079952/manifest.json
observed ee98e7c7eba0e6e2dd005b6fe050ecf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.648425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079952/publication.md
observed 0bcb35a9b62744b61cfa2ed2caf84fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.628056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079952/publication.txt
observed e4446e688216437aea6af32c47a68e60...
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.