OpenTechnical

OT-2026-000054271

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed 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-2026-000054271) never changes.

Identity and time

Publication numberOT-2026-000054271 · never reused
Internal UUID01a0ae85-b3a9-7795-ae0c-eb5f1f6187a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054271
StatusPUBLIC

Content hashes

Canonical text1837005d5382c4db3d91701bce16b9053cb89a39ca0d21a55abcdae71e3f2b5f
Markdownc6fb01193ef5b7343c4465ff63a16b905d9725b846df836d1d955ebf0eb4b4e1
PDF
Publication page109568ea12ab6ed4affa3aa3b7875e8116bfc0ec9736a2f4df13622b42bc5b9a
Manifest1c3174414532a002f90d324e8c90afb88f2bd51d551376eb550fff5322617660

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
SignatureaPGFTE/9N0IdS5AA+Qeqdybz3fQXIPKyUNOacNR4FFbgR+QjoIjEHs90eCPDxD0Nezy4fjSv7rrdSOZfDJklDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:45.821467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054271
observed 109568ea12ab6ed4affa3aa3b7875e81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:45.803093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054271/manifest.json
observed 1c3174414532a002f90d324e8c90afb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:45.784548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054271/publication.md
observed c6fb01193ef5b7343c4465ff63a16b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:45.765806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054271/publication.txt
observed 1837005d5382c4db3d91701bce16b905...
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.