OpenTechnical

OT-2026-000091318

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000091318) never changes.

Identity and time

Publication numberOT-2026-000091318 · never reused
Internal UUID01a0ae9c-f16c-79cc-b8c4-7fb58568b0d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091318
StatusPUBLIC

Content hashes

Canonical textcd0224a422007ed3b75aea8ad7e5f5aa58078a3f1e56d72d612e523ed8a4e40a
Markdown8078ea1ff270031d6c48a4f37f9a440777a6fc5dad9c90c2c31e1720d6229d79
PDF
Publication page9916701b08cc2888481e1b393b2e379bed87a32f51cb5d6c850d0b795f9190e4
Manifestb4be83b8363bc077a62aa936bfe2f1f044e8f72c8e9bba9af80fba0a6ed6ad79

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
Signature2JfaG0SVJgMD6/hbbMeRMHlCFOOrpdm1ftxkXInKgoJfvoqbRIuF5mKjQL3TdjgbzjgS6VmQWAt8nu7y6/rnCA==
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

2026-09-17T09:43:31.224098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091318
observed 9916701b08cc2888481e1b393b2e379b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.205836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091318/manifest.json
observed b4be83b8363bc077a62aa936bfe2f1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.189144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091318/publication.md
observed 8078ea1ff270031d6c48a4f37f9a4407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.172483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091318/publication.txt
observed cd0224a422007ed3b75aea8ad7e5f5aa...
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.