OpenTechnical

OT-2026-000079564

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, 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-2026-000079564) never changes.

Identity and time

Publication numberOT-2026-000079564 · never reused
Internal UUID01a0ae96-0b92-7bcf-bc8c-667f36cb7406 · 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-2026-000079564
StatusPUBLIC

Content hashes

Canonical text3e0437cf405a1214eaf3bb9d3e9a25e8421e1a08902eb06e923f482a3b636ea1
Markdownf125820827720131abac5763e2b50e6891347ddf13ce9dfecefc5a5efba56a09
PDF
Publication pagee9283bfa7432335bd53ff6bd865290170944ef9bcbffa8dc16428e517284b24a
Manifest74bfdd36d02d2f2b5cc1f62cc5e7d3e9c3aeaff5004041bf929d9c68920ba6cb

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
SignatureUgqEfuuShjVw8z5/+FtBUlLZXIJRNDgLsAQO5rrPvb31cMYEVAf5TfpO0+Hac/illpgcBK5MF7ikLkwfN3wnDw==
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

2026-09-17T10:05:12.797192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079564
observed e9283bfa7432335bd53ff6bd86529017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.776321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079564/manifest.json
observed 74bfdd36d02d2f2b5cc1f62cc5e7d3e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.757419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079564/publication.md
observed f125820827720131abac5763e2b50e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.738921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079564/publication.txt
observed 3e0437cf405a1214eaf3bb9d3e9a25e8...
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.