OpenTechnical

OT-2026-000059536

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, sustained blow-off after 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-2026-000059536) never changes.

Identity and time

Publication numberOT-2026-000059536 · never reused
Internal UUID01a0ae89-ec23-76cc-a2a1-d9d83626f93e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059536
StatusPUBLIC

Content hashes

Canonical textfa1917756f5528b4e9a2faf475dd407cb947f78a12def46b6b7f1a4bfcd1b0c4
Markdownd334f8dab9320b2c51dec381828a96acf5397ea93a2a1768a454283eddd5edd6
PDF
Publication page68aba8b9448920627454a55dcfd719ab67ea830f1016102e54957c040d6c2921
Manifest296b52d41f04dbed89533cd468c0731a81d52969d907baeff3e9ab026b488582

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
SignatureJRFfJHcqt/b/JW3Rl9K5QwxNqppdLxA2p3OmESgVaJCtpRK7mQf/h9wv1t75JEsk0pvy3jGxhObquiKN2Ay0BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:09.709388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059536
observed 68aba8b9448920627454a55dcfd719ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:09.682422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059536/manifest.json
observed 296b52d41f04dbed89533cd468c0731a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:09.650085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059536/publication.md
observed d334f8dab9320b2c51dec381828a96ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:09.623666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059536/publication.txt
observed fa1917756f5528b4e9a2faf475dd407c...
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.