OpenTechnical

OT-2026-000073079

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000073079) never changes.

Identity and time

Publication numberOT-2026-000073079 · never reused
Internal UUID01a0ae92-c816-7d09-9f6a-81bfc4cb6881 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073079
StatusPUBLIC

Content hashes

Canonical text31bad20242b8b027f52c12710cd468f0af1c560fcf982c49de4dbd17ea7aa4d8
Markdowna87fd9139a9d114be350cb45ab93de3f882c92d39cdbf65e1d7634e4c0cc9e05
PDF
Publication page7f97c241ed6c72339706595471a95420add4f2c386ed9d619cb1c540b4c18ffc
Manifest9d1ff989307fb775e3b18dd8447a669207eadc093fcdd90418fea46be531e5ae

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
SignatureiMffYRv8bhYcRU9LhZGgSYYZoOc/9jnDkK7klaWJJ+mDwAP/RJcQnxvnb3gDJLTeavKi00c6RAcQpdo9h8uVAw==
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

2026-09-17T10:22:01.810091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073079
observed 7f97c241ed6c72339706595471a95420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.791034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073079/manifest.json
observed 9d1ff989307fb775e3b18dd8447a6692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.772129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073079/publication.md
observed a87fd9139a9d114be350cb45ab93de3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.753581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073079/publication.txt
observed 31bad20242b8b027f52c12710cd468f0...
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.