OpenTechnical

OT-2026-000057531

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000057531) never changes.

Identity and time

Publication numberOT-2026-000057531 · never reused
Internal UUID01a0ae88-2693-7a67-a73b-8dd983005dab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057531
StatusPUBLIC

Content hashes

Canonical text3a08e056e0fac9df20f46f5eebb3d2acb8710d4432b5ada64697a22956a2f3ca
Markdown9e835f700a1400b4a1b1e33677628ae90f8c6d61fdc516ff22c182022f34d00d
PDF
Publication page83035adb6e47522c9a2919b4da12727c3b3319af0ddca904a25e316ce6c290bd
Manifest5c0864dfab880a8af2d38602d12285a237fd035310e8781afcfda7e8e2dbe6f1

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
SignatureagnoK7R8I/8ONmLEnizKMe8dSP6bkarwSvWIl7qY5kIVhwzXVF8vL+Pb7oQB/MvpINgq9i2sIIzb/Xh/mGF9Bg==
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...

Independent retrieval

2026-09-17T10:48:04.057788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057531
observed 83035adb6e47522c9a2919b4da12727c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.038447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057531/manifest.json
observed 5c0864dfab880a8af2d38602d12285a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.020594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057531/publication.md
observed 9e835f700a1400b4a1b1e33677628ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.999483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057531/publication.txt
observed 3a08e056e0fac9df20f46f5eebb3d2ac...
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.