OpenTechnical

OT-2026-000079511

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, sustained 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-2026-000079511) never changes.

Identity and time

Publication numberOT-2026-000079511 · never reused
Internal UUID01a0ae96-0b91-73cf-af32-b5874ba74ff1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079511
StatusPUBLIC

Content hashes

Canonical text4f444005c8743d803283163a680ae662a9621a077aec67500306c7dbb1b65456
Markdown5b3e35b266f8a44c26e76633ce7c2c5b6dd366d0407504ff34d1c83bca422d61
PDF
Publication page192bd603ebb457bff42050e52b5f9f85a92297d4b3826f2cba07b68b2ea80799
Manifest1ad140610cc6ba1f4f1c974f2b7e561b77229212bf7d151bc6c1aea13dfd8ce5

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
SignatureaygbrptII/2QdsPAZlGXssd4O8mUQUjUfC1gNYh3Ky4Qzj1hX6GkgAzlZn/qJ1MfQQu/95hmaJmRInDqgiKMBQ==
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

2026-09-17T10:05:09.037560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079511
observed 192bd603ebb457bff42050e52b5f9f85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.017828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079511/manifest.json
observed 1ad140610cc6ba1f4f1c974f2b7e561b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:08.997311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079511/publication.md
observed 5b3e35b266f8a44c26e76633ce7c2c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:08.979174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079511/publication.txt
observed 4f444005c8743d803283163a680ae662...
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.