OpenTechnical

OT-2026-000077975

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000077975) never changes.

Identity and time

Publication numberOT-2026-000077975 · never reused
Internal UUID01a0ae95-2ed1-7ce0-8a50-2d0e9a44ae40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077975
StatusPUBLIC

Content hashes

Canonical text6884446abc9a4f11578de115456af9921992dee73fc17afa3b4a2ce56535e520
Markdown2425819869e4958971f7590b8624b92e6c0762f430bff957690ad419d8e3ba65
PDF
Publication page7895ca8a0886fb34ac8c69942d23bda83d36ff80d1f9f47ae7dbcb36db4d7b62
Manifest35853b330a094d15b402fefa5b81cd54170ef0296d2fb87060cef303b8bf848b

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
Signaturef7qwwBMFYlWmxrwZs4F2Xlu90ifBL2PpiZQEaPV5CdYG9c6VUK/imZJxkH962gB17NwP2mf/dQ49urIopk3mAQ==
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

2026-09-17T10:10:23.245436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077975
observed 7895ca8a0886fb34ac8c69942d23bda8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:23.223622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077975/manifest.json
observed 35853b330a094d15b402fefa5b81cd54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:23.202725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077975/publication.md
observed 2425819869e4958971f7590b8624b92e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:23.007450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077975/publication.txt
observed 6884446abc9a4f11578de115456af992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.559910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077975
observed 7895ca8a0886fb34ac8c69942d23bda8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.541742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077975/manifest.json
observed 35853b330a094d15b402fefa5b81cd54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.523454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077975/publication.md
observed 2425819869e4958971f7590b8624b92e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.504565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077975/publication.txt
observed 6884446abc9a4f11578de115456af992...
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.