OpenTechnical

OT-2026-000005439

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, two outlet manifold, two stage ejector, 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-2026-000005439) never changes.

Identity and time

Publication numberOT-2026-000005439 · never reused
Internal UUID01a0a939-0cb8-7fd8-8ced-8b17dcad5457 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:58:03.451567Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005439
StatusPUBLIC

Content hashes

Canonical text0ffa6e05f750926c75c9b97cd2c7d2e68b632ae95862fc151f2ba4b5784f3b2b
Markdown63d932a0a5239bb500ba16b278711ea9ced1f5bd0c8cb5587695b592fd2b09aa
PDF
Publication page70164bde37e77b852942fcccd2a4289aa3cca6d927b2bda73708c5e43d2f91e5
Manifest32594874860d8a4fedbc7806d77cadebd806288ae14586eda474a60ad74d7a09

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
SignatureyRX5aGnRK4q7LZ680P448hPwMz6wmIOh8CYYQX/FLbospVO9RN3FTk3H8I831he3v3ya+06Af2415+DFznlLCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:09.401307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005439
observed 70164bde37e77b852942fcccd2a4289a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:09.386896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005439/manifest.json
observed 32594874860d8a4fedbc7806d77cadeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:09.372403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005439/publication.md
observed 63d932a0a5239bb500ba16b278711ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:09.237996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005439/publication.txt
observed 0ffa6e05f750926c75c9b97cd2c7d2e6...
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.