OpenTechnical

OT-2026-000006356

Publication integrity record

Bellows cup vacuum gripper, three zone face, two stage ejector, pressure verified, plastic cups

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-2026-000006356) never changes.

Identity and time

Publication numberOT-2026-000006356 · never reused
Internal UUID01a0a958-2184-70dd-afb6-311ec56556cd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:32:00.392892Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006356
StatusPUBLIC

Content hashes

Canonical texte39425d9f8c86f9cc542299cfa1d02f71981193caf54198e813ccac9ad0014cf
Markdown5aeb8ce01b774949b7fd182bb0d801a500ab83a75c5278dc4c4c33a82cd3910d
PDF
Publication page72ba7026f7fa484dde4805e98970ce47be36ccecadbaed8f0d7eef7bfdb6cc33
Manifest66442a43765d45861af7a14b1c866469e728d2202217fa1b2700e5f1049e7406

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
SignatureT5g6ElfvoG7DM7sUiJM4KD5lfPLaLOotdThhIJOk7ZExach4gZdeDfUh5tlJJVLr1x3R0rp5AeSUPFzBJxqyAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:27.491722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006356
observed 72ba7026f7fa484dde4805e98970ce47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:27.476285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006356/manifest.json
observed 66442a43765d45861af7a14b1c866469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:27.462681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006356/publication.md
observed 5aeb8ce01b774949b7fd182bb0d801a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:27.449968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006356/publication.txt
observed e39425d9f8c86f9cc542299cfa1d02f7...
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.