OpenTechnical

OT-2026-000087768

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000087768) never changes.

Identity and time

Publication numberOT-2026-000087768 · never reused
Internal UUID01a0ae9b-1aa4-7b6c-b0ef-64b120a88138 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087768
StatusPUBLIC

Content hashes

Canonical text96cb04724718dfb0442e0fa094acd18bd4720586c3e57ddd9f448a601b01c40b
Markdown0c463d953a0e54c1965c52f769b953577cc6b84f022ac1a37b48347182d58aae
PDF
Publication pageec4c1d0b258c1071346d37377c35d3dd2fd4ba52ae28870a4c1f4d1edfebe38e
Manifestb21d912f47fd9cb2204db21ecb16abc6556433f108b18ff60913584cb74ec098

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
SignaturetrQTz4BCPjg7kE8x9RkwWwF2J/fgB+D9oyQJ4Tv0ZQmDCveNCyOvRBZkW0FFADwUvuZ2izC0sFSRc7Yr+45hBA==
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

2026-09-17T09:48:58.139766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087768
observed ec4c1d0b258c1071346d37377c35d3dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.120906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087768/manifest.json
observed b21d912f47fd9cb2204db21ecb16abc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.102097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087768/publication.md
observed 0c463d953a0e54c1965c52f769b95357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.082609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087768/publication.txt
observed 96cb04724718dfb0442e0fa094acd18b...
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.