OpenTechnical

OT-2026-000069171

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069171) never changes.

Identity and time

Publication numberOT-2026-000069171 · never reused
Internal UUID01a0ae90-6dcf-77d8-b4e8-d0c4f65d235b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069171
StatusPUBLIC

Content hashes

Canonical texteefd4cd2439a754917ac9c2f3d1b2f458704bb30d4041453bcfb8ae3aabd6cf4
Markdown11702f9c27fd4ebbde8180e6ea6c4babc5caa1fed2f5f649378b8175652d8cbf
PDF
Publication page7eb21a8db4e5e24ff20e7a720bc58a27b48dabd0593476a0abfcd2a0b440bc8d
Manifest51f152c239bb9c3efcc34693bcc1738d1a3aa812040b1e5b35495b15a0ba98ee

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
Signaturea5pGr8q4tU0p6XpkqwxI3zcUO9Dpd4YRkX7LZKpl1SjkpdQuteDvhITJnqx6NWUbUqpK6eQSUqLV+LN0BGOOBA==
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

2026-09-17T10:29:03.626173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069171
observed 7eb21a8db4e5e24ff20e7a720bc58a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.608983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069171/manifest.json
observed 51f152c239bb9c3efcc34693bcc1738d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.591743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069171/publication.md
observed 11702f9c27fd4ebbde8180e6ea6c4bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.576130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069171/publication.txt
observed eefd4cd2439a754917ac9c2f3d1b2f45...
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.