OpenTechnical

OT-2026-000086034

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000086034) never changes.

Identity and time

Publication numberOT-2026-000086034 · never reused
Internal UUID01a0ae99-e82b-7b0b-b579-a05fe59cd2fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086034
StatusPUBLIC

Content hashes

Canonical text1dcbd7c7306d4d6e67cd24b324442143aedf696772abaef700867608235354fd
Markdown5c31d155ee72e410415e6c86d36a0e8bf1637e9ae3f2567e21764774dd1698fe
PDF
Publication page8a7e2e8912b7c8a3e8aa98a3381e9c455ce4995326f1330cd131f0b0a3ed1624
Manifest2b5295166bb50c21cde929a24fe47143cd76d6c2c2e79843d2df383a5e5ac38e

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
SignatureGgY/pOkGW8OmnJBp5VaFQmWbheXLlT5XMAqbQONWniZna3ueT+Z/SIci0ft3CzdHiHQ3z7H/HQHAuNpfICnrAA==
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

2026-09-17T09:53:00.041567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086034
observed 8a7e2e8912b7c8a3e8aa98a3381e9c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.017134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086034/manifest.json
observed 2b5295166bb50c21cde929a24fe47143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.000383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086034/publication.md
observed 5c31d155ee72e410415e6c86d36a0e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.982851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086034/publication.txt
observed 1dcbd7c7306d4d6e67cd24b324442143...
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.