OpenTechnical

OT-2026-000044672

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, pulsed 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-2026-000044672) never changes.

Identity and time

Publication numberOT-2026-000044672 · never reused
Internal UUID01a0ae7c-39da-7d9d-910b-8fb71597b116 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044672
StatusPUBLIC

Content hashes

Canonical text5f4637e94c27903c15cd588505c705a912e91c476c811aad47aaec51a4dd7b33
Markdown053209e985d9b6c779673dacbba1b3b70c8a9fe71e932a34d6b29c83f5879ea1
PDF
Publication page4b5f17350fb3dedb816718fb75cb25946aa9851b284b81229ec8dc12a8f5e008
Manifest200c62ab66c1b6c3af3d28bb7c8567c9d074ce4217445f0e56d9619e6c8c50d5

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
SignatureVreuyoe8JbZvZiLh/7v/fNnQkNyLb6KbPwA6n5T7rUaJ69LFd+/64P+ytV1j24umLYqYr3L2CjvmJdBAtNKhBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:55.414479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044672
observed 4b5f17350fb3dedb816718fb75cb2594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.397216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044672/manifest.json
observed 200c62ab66c1b6c3af3d28bb7c8567c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.379899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044672/publication.md
observed 053209e985d9b6c779673dacbba1b3b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.361506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044672/publication.txt
observed 5f4637e94c27903c15cd588505c705a9...
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.