OpenTechnical

OT-2026-000082913

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000082913) never changes.

Identity and time

Publication numberOT-2026-000082913 · never reused
Internal UUID01a0ae97-8cca-7ecc-8928-0b1475a78ab7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082913
StatusPUBLIC

Content hashes

Canonical text111b1d66f99e51a190a3ae4f7dba7af2dd5305de8cf5c1f52589e1a42cdc41ad
Markdownc61be6120a9cd33bd906107d2a74c07ec63926a0777ff91f8b938cfbb71f257b
PDF
Publication page617210c6495dbd547074ef2f27ff232e6a6e906dfbf7527922433e054648fc46
Manifestaa4dee08893c1b9ff18e9cf9a99b38d9373d9b8602912b9fff2c8fd8d0c69f2c

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
SignaturefSAQjHWcKtE/4i6nFdgxZCUyf+dvk2BDaFtPq209lPaO6KF0ttgTR/8tIIsyPmVtPuEf0eofOhkoA23XNYrmDA==
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

2026-09-17T09:58:36.195480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082913
observed 617210c6495dbd547074ef2f27ff232e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.178642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082913/manifest.json
observed aa4dee08893c1b9ff18e9cf9a99b38d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.161920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082913/publication.md
observed c61be6120a9cd33bd906107d2a74c07e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.145326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082913/publication.txt
observed 111b1d66f99e51a190a3ae4f7dba7af2...
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.