OpenTechnical

OT-2026-000090267

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000090267) never changes.

Identity and time

Publication numberOT-2026-000090267 · never reused
Internal UUID01a0ae9c-4290-747b-be12-a7a9cf9bd481 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090267
StatusPUBLIC

Content hashes

Canonical textce03eb925a9c0c96f06963ffa12f22fdeadb558bf2a2f10295c16fde2cb943b0
Markdown129b7bdfa5b81d5f4aec5faf2d4e96a382326c0818406adc6c377dcefd893456
PDF
Publication page486a45c9b26db35ae27f17557d16ec8ef9d99e16e56245108aca006084f0b8cb
Manifest901a12a689852f078e1f34b4921bed9a033a286bfa5ae2b084f8f3782838d2c8

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
SignatureoIhQ9qzDH59vRn/LXpPtbbS/TmnrNZ4EuMTQRJiGt/OTu2zolTPIsa+0AtQGIqLVo3s/uHQ+HfmYl1YjCVhaAA==
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

2026-09-17T09:46:20.759276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090267
observed 486a45c9b26db35ae27f17557d16ec8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:20.742411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090267/manifest.json
observed 901a12a689852f078e1f34b4921bed9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:20.723906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090267/publication.md
observed 129b7bdfa5b81d5f4aec5faf2d4e96a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:20.705558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090267/publication.txt
observed ce03eb925a9c0c96f06963ffa12f22fd...
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.