OpenTechnical

OT-2026-000086587

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000086587) never changes.

Identity and time

Publication numberOT-2026-000086587 · never reused
Internal UUID01a0ae9a-2c98-77a9-9896-829d8a92c816 · 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-2026-000086587
StatusPUBLIC

Content hashes

Canonical text4d79aba7d3dd8dd1ef71182a1e595308fc4ee32580c2fe46e0dc409517d5a951
Markdownba4acf34c690390560c650f2bc5137b2518067b78b7f3026d6bb3a32e8b2417b
PDF
Publication paged6dcf1bcd7dc7b54388221f9324ccc60a7f75f1980095379cce5d4c6e1524253
Manifest368c6ecb1b09d301d9a1f962c33fd33a10dd9d1d67933baf2561cdfb7bb50dc0

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
SignaturedxDuVnLIQllWlFRSKtk3G6QfFCYh67Ej/V1CKe87D6xTl8jaH2ePzzfWzVCSwH4WW89/QAb8dBaIO8eQh2ayCQ==
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

2026-09-17T09:52:25.678123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086587
observed d6dcf1bcd7dc7b54388221f9324ccc60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:25.660029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086587/manifest.json
observed 368c6ecb1b09d301d9a1f962c33fd33a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:25.624092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086587/publication.md
observed ba4acf34c690390560c650f2bc5137b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:25.600020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086587/publication.txt
observed 4d79aba7d3dd8dd1ef71182a1e595308...
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.