OpenTechnical

OT-2026-000083069

Publication integrity record

Foam pad vacuum gripper, two zone face, single 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-2026-000083069) never changes.

Identity and time

Publication numberOT-2026-000083069 · never reused
Internal UUID01a0ae97-c962-7435-abee-c7243cc49574 · 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-2026-000083069
StatusPUBLIC

Content hashes

Canonical text217eea805842fffc4248b4c710838d583e04c01e40e571a1124b75408ce64db9
Markdown5d4a622aee673fc0b6f7c0a17e138707ba25a252355a602b22172725da3f8c6f
PDF
Publication page824770c784e1a41e3766370f06b35e377b2a54d11476fd09431aeb892bfd7f63
Manifest7cf9d913ea76de540698ab8ce0f87d9b2301ae7ae186bd6dc479925026345d41

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
SignatureVsESLcPokgbqfJgzdb3sMSljQnhgH1ohN6U8dBbz4qiPsVhkbHcby0D2WxSnVqgIgJeJ5A7QHBFlqgAMdh0mCw==
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

2026-09-17T09:00:30.925401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083069
observed 824770c784e1a41e3766370f06b35e37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:30.906881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083069/manifest.json
observed 7cf9d913ea76de540698ab8ce0f87d9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:30.888329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083069/publication.md
observed 5d4a622aee673fc0b6f7c0a17e138707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:30.871005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083069/publication.txt
observed 217eea805842fffc4248b4c710838d58...
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.