OpenTechnical

OT-2026-000073398

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented before set-down

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-2026-000073398) never changes.

Identity and time

Publication numberOT-2026-000073398 · never reused
Internal UUID01a0ae92-efb8-74f1-9dd8-7efdd64adf3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073398
StatusPUBLIC

Content hashes

Canonical text0624d58483573cf5712934d4f87ba4fdc4343d485d047b3cc511ca520c5e016a
Markdown894f190d1ddb2d9a3bffe191732e7e9e0484b53fba5607eb0c70ff060eaaf2d4
PDF
Publication pageff701ec1245dd60400b246eaa6826f2ddfa78a2514aad4a29068018e027639a1
Manifest94b460fc33e6c4f8178a27dbf08b9d8f8428c54fa29393b5f682cb4f6e5590f6

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
SignatureUO8MDpAUe/fQ+q3/AFLDH3dk5tW1nrwv9E8Zwy3WZXT55NcdZkFY/ahmfF1/+Ag6YfP0Le1CUcgm8C8lZeApCg==
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

2026-09-17T10:21:26.498963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073398
observed ff701ec1245dd60400b246eaa6826f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.479842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073398/manifest.json
observed 94b460fc33e6c4f8178a27dbf08b9d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.461373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073398/publication.md
observed 894f190d1ddb2d9a3bffe191732e7e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.442027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073398/publication.txt
observed 0624d58483573cf5712934d4f87ba4fd...
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.