OpenTechnical

OT-2026-000080213

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000080213) never changes.

Identity and time

Publication numberOT-2026-000080213 · never reused
Internal UUID01a0ae96-7e76-7c60-88a4-5ae37887a65b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080213
StatusPUBLIC

Content hashes

Canonical text75d400321afbaf26a52626f6f9817df486a5381275b4e5fe232116b3ca8b2392
Markdownfec92b5663b9dad3f5ef3dabefad79aed3792ec6a4e96b1eee36ecea92fbd8bb
PDF
Publication pageee44e166d4aacef66e9460ac843ee39a75ac556e3eaf29da66f8d3d670876695
Manifest712042a4faac4db26ed59947e920efabf472c88bc2e5c8383409cc9d83907822

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
Signature4vG6MZqZBBh9dY2IwViAd+utIBcAFaWKo2TNxWa7ShnrZevivJrWFeeQ+29DgHCANshzOKxv+JiLFM2sM6GHCg==
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

2026-09-17T10:02:39.803163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080213
observed ee44e166d4aacef66e9460ac843ee39a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.784365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080213/manifest.json
observed 712042a4faac4db26ed59947e920efab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.766259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080213/publication.md
observed fec92b5663b9dad3f5ef3dabefad79ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.747010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080213/publication.txt
observed 75d400321afbaf26a52626f6f9817df4...
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.