OpenTechnical

OT-2026-000083463

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single 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-2026-000083463) never changes.

Identity and time

Publication numberOT-2026-000083463 · never reused
Internal UUID01a0ae97-c965-71b3-9062-06c01c78dd9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083463
StatusPUBLIC

Content hashes

Canonical text1554c27d244f6768cd37ea876646bb725142f75f2977150a1b0b9d4cef536d3c
Markdownf83f967cd2bc56c660dd6add01936a5616af77eeb00b0280a042515c03d5db28
PDF
Publication page4554e684148e4bd3c7601e2ca3289ad34855abd4d4a9fa12bec6ff1b800f64db
Manifest735d2a0f2998f60e66d86947f2ce9d6bead2f04c7bab00cf528bd370ad0a7977

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
SignatureZupFl2LCLSV85Wob2qu+sLpGJr6I//NGEZkjuWKhFzJYIn5HLBQvmr+QyQHpiwlhnUkAoe85YFeZ/eX4GhFVAg==
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

2026-09-17T09:57:53.052967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083463
observed 4554e684148e4bd3c7601e2ca3289ad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.037387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083463/manifest.json
observed 735d2a0f2998f60e66d86947f2ce9d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.020673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083463/publication.md
observed f83f967cd2bc56c660dd6add01936a56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.003945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083463/publication.txt
observed 1554c27d244f6768cd37ea876646bb72...
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.