OpenTechnical

OT-2026-000099649

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000099649) never changes.

Identity and time

Publication numberOT-2026-000099649 · never reused
Internal UUID01a0aea2-c976-7cfa-b183-3a260c98a678 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099649
StatusPUBLIC

Content hashes

Canonical text7a8462fecd36834ab3b4bef0701eaf21037ce1ba5c9242bcf8dcbb8e649cfe55
Markdownb388118d3b4accac9a3f86bd8ca73ef2af950546519a278966fc9293ec1c95a9
PDF
Publication page8fdae2be4a437b8b5849ac8018d53f3f23c7207fd5866e944da4f216e4aceae3
Manifeste406b19d6838c5d06efd9bee60cfb3aa7fc124890f42a3561a350c7d22c343e3

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
SignaturelLTWjBRkxjK2xxREyhjGUfWcBJ3Dhwnw+uDaP4C+3Yg/e4vov71JwQ6SK2VecLVnkzO0adtkLh9h5ktpfp4aAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:35.278722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099649
observed 8fdae2be4a437b8b5849ac8018d53f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.262298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099649/manifest.json
observed e406b19d6838c5d06efd9bee60cfb3aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.245804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099649/publication.md
observed b388118d3b4accac9a3f86bd8ca73ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.228881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099649/publication.txt
observed 7a8462fecd36834ab3b4bef0701eaf21...
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.