OpenTechnical

OT-2026-000086670

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump 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-2026-000086670) never changes.

Identity and time

Publication numberOT-2026-000086670 · never reused
Internal UUID01a0ae9a-2c99-7101-8fbe-a324931b1e7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086670
StatusPUBLIC

Content hashes

Canonical text2e041c642edd99d4e83e56dc53032f9f8a0ccccf2b89ca87cba7c25423b0bf9c
Markdown8ad007fc736c39071a125c96bb992b6bb919c15ff8fd0de260deecc2a97bc73c
PDF
Publication page1502bdb2ab7ac75afbfde6ee15c425845d394188440b3984253fc5609e80af69
Manifest54b91197d0245311c0c7ea64bfee6a60f22baca289d967cf11e8fc454676e147

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
SignatureT0IDMx1qEJosxflUWzBjBDRtdHLNs+izfhmORIq87EapsHo56MG3EBmMYzxTgfc+9YjxVaHJtz6DhilCRxd+Cw==
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

2026-09-17T09:52:32.023953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086670
observed 1502bdb2ab7ac75afbfde6ee15c42584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.006842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086670/manifest.json
observed 54b91197d0245311c0c7ea64bfee6a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.987726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086670/publication.md
observed 8ad007fc736c39071a125c96bb992b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.967943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086670/publication.txt
observed 2e041c642edd99d4e83e56dc53032f9f...
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.