OpenTechnical

OT-2026-000026556

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, sustained 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-2026-000026556) never changes.

Identity and time

Publication numberOT-2026-000026556 · never reused
Internal UUID01a0ae71-f4a9-7c6b-925c-359cefe6df21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026556
StatusPUBLIC

Content hashes

Canonical text14ef23692beb7d3367ab2f4f86193ff7448a63ea47288c7e764481e34dcc966c
Markdown86d63afd593bc7d6ebc1d4c09915c01cfc45ea34f7cc3c8499b654ee41115568
PDF
Publication pagef77347772ca3e056043ee067fc1eb7046a117537b74742639b9109d4cde474db
Manifestd47dcbc5d96af632df7fad2c8cd9dfb52293e0dd34cb3c3c74afa6cbc28f4d09

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
Signaturee33Z1DyAOeTKdCKlqxh1K0f0129cFBWgZihp6m+e9Iqc4UOWgGdFjqYtyIWvNcd94gkVffoYEHW6ClO8I/axDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:41.155965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026556
observed f77347772ca3e056043ee067fc1eb704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.137923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026556/manifest.json
observed d47dcbc5d96af632df7fad2c8cd9dfb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.119588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026556/publication.md
observed 86d63afd593bc7d6ebc1d4c09915c01c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.102115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026556/publication.txt
observed 14ef23692beb7d3367ab2f4f86193ff7...
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.