OpenTechnical

OT-2026-000081687

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000081687) never changes.

Identity and time

Publication numberOT-2026-000081687 · never reused
Internal UUID01a0ae97-0f73-723c-a043-589ca3efcae3 · 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-2026-000081687
StatusPUBLIC

Content hashes

Canonical text6d89fe7d70e1960f91f06cf93688b36abbaf69768aeb433bee9480de6721a3c3
Markdowna9fa55a570b0aabe1aeb9db4230f747214c6fced3a0fbd4948ee722d98ff4cda
PDF
Publication page5bc689f6cb872a75cebeb273393f27fdcdc998ea2f882da8dc3fefc0e89354de
Manifest06a538af8f96e70204b2f7fd8fa711a62ef62ea9b0675da965229b8ae23ed5aa

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
Signature6CITLc4MWFpHzrucaImEO32HYlxa+fIaVoI220meSVd2/HfyKWHhTulEC+hOeRNWDEnxCAZUoWSZ0oyjOgyZCg==
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

2026-09-17T09:59:45.100942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081687
observed 5bc689f6cb872a75cebeb273393f27fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.083028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081687/manifest.json
observed 06a538af8f96e70204b2f7fd8fa711a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.064149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081687/publication.md
observed a9fa55a570b0aabe1aeb9db4230f7472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.046262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081687/publication.txt
observed 6d89fe7d70e1960f91f06cf93688b36a...
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.