OpenTechnical

OT-2026-000085771

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000085771) never changes.

Identity and time

Publication numberOT-2026-000085771 · never reused
Internal UUID01a0ae99-e829-7794-ad32-c2b5d692bbb6 · 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-2026-000085771
StatusPUBLIC

Content hashes

Canonical text7d12e13909b0a382f0baaf4e55a5651fb1216bd6f57d32ccb4015357ae384da9
Markdownf5debdc49004211d6dd996d36dc69e4aa7d07dc3507aacf5bcd777c63c1c780a
PDF
Publication page71e5513996a54c210ee89ea378d7d88d6570f6c805287ba2bf10b5085ad5e51b
Manifestfe4f0df70354ed651f8ec7280a3b085fc5a5b2de11e0653ed34bf6463ef8bc5d

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
SignatureQpyzmEO/CvyPPh8EN93sN9eqhslFDu44aExx4RsBYhqqooBYZYDKBrRsnzXP+sR/EnKGpSEF2OBINCYRCr15Dg==
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

2026-09-17T09:52:39.811863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085771
observed 71e5513996a54c210ee89ea378d7d88d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.795294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085771/manifest.json
observed fe4f0df70354ed651f8ec7280a3b085f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.776907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085771/publication.md
observed f5debdc49004211d6dd996d36dc69e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.759829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085771/publication.txt
observed 7d12e13909b0a382f0baaf4e55a5651f...
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.