OpenTechnical

OT-2026-000079654

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after 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-2026-000079654) never changes.

Identity and time

Publication numberOT-2026-000079654 · never reused
Internal UUID01a0ae96-0b93-7dc0-8741-3af64ed9560b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079654
StatusPUBLIC

Content hashes

Canonical textcd2631dd400e86ae43333d4e238311cd1cab81cb4d0399773dea1ec6e4784618
Markdowndb3b91e25d57a0e99b013d76731de38e6034f1e432e1ac33c26126b5735d7d6f
PDF
Publication pagebbaf4e467143d377d1d4259a607109fdff0ea1e98720b779bb735555db39691a
Manifest4741683e452b94823854045860fac310a587a79082ff55a7865a6235ffea59dc

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
Signature6vDKZ9sgD+bI7pw8esDCjlL7xgnbbWCKg431GSH+iqhUr7K6gsRMkzrz3CxDsQhM/LdYGFgk474MA/g5/AeNDg==
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

2026-09-17T10:05:19.319458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079654
observed bbaf4e467143d377d1d4259a607109fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.301132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079654/manifest.json
observed 4741683e452b94823854045860fac310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.282258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079654/publication.md
observed db3b91e25d57a0e99b013d76731de38e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.263984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079654/publication.txt
observed cd2631dd400e86ae43333d4e238311cd...
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.