OpenTechnical

OT-2026-000081637

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000081637) never changes.

Identity and time

Publication numberOT-2026-000081637 · never reused
Internal UUID01a0ae97-0f72-7e53-bb36-132f0cdd761c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081637
StatusPUBLIC

Content hashes

Canonical text8134fa09aede0fa5f396ef653faf0fd5ae5145609137f7fe8a4a0820037406f6
Markdown218ed41fad4ab31aa49cd302cb20891750fe1d8aa9cab89382bf9fc1bc6859f8
PDF
Publication pagebaaf536ab5ec8d449c11c68d63d7bd045206c8c80a6d2eff86d3ff8a34edde7f
Manifesta66c1bb1fb3fa25ca30d3bf463990a3bcf28c6f32199f96a901cbdd496d1da98

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
Signaturen5EH/E0blTY8o5oZt9kqhbeXfedUFJJwaFh6D+HXK9lFVsn9VX6ovvh3NVuhV59kYbBYCqhZTdKa1Tie2jouAg==
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

2026-09-17T09:59:41.230122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081637
observed baaf536ab5ec8d449c11c68d63d7bd04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.213303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081637/manifest.json
observed a66c1bb1fb3fa25ca30d3bf463990a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.197188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081637/publication.md
observed 218ed41fad4ab31aa49cd302cb208917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.179588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081637/publication.txt
observed 8134fa09aede0fa5f396ef653faf0fd5...
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.