OpenTechnical

OT-2026-000072547

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000072547) never changes.

Identity and time

Publication numberOT-2026-000072547 · never reused
Internal UUID01a0ae92-89d8-7e81-aef5-75beb4fd5d21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072547
StatusPUBLIC

Content hashes

Canonical text69705dec7b0c733dc603dc27bc29b7e4eaf9cdbb8dbe306b00298bd467900d41
Markdown92202325993bdc04d58d9367b161b11c827f5ea1efca5f36d5da8e8362d57b1e
PDF
Publication page9aec2695c80428a529e6ff114adf1c8ccc87cee629c309d816889a7b8250bd31
Manifest4cd08e06e27afa703974b44fd8715f873455380c56772679a89f6f752bc0d4ea

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
SignatureLDF9e3mu/GZK663H4yt3tH7vjq45DWPjQwwO0VvXhABxEwTeSWH5QKax60gnKm2zpCGEncEW6aCjKQq9kZspCw==
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

2026-09-17T10:22:22.732273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072547
observed 9aec2695c80428a529e6ff114adf1c8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.716488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072547/manifest.json
observed 4cd08e06e27afa703974b44fd8715f87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.700034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072547/publication.md
observed 92202325993bdc04d58d9367b161b11c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.684048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072547/publication.txt
observed 69705dec7b0c733dc603dc27bc29b7e4...
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.