OpenTechnical

OT-2026-000101960

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three 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-2026-000101960) never changes.

Identity and time

Publication numberOT-2026-000101960 · never reused
Internal UUID01a0aea4-50f1-7397-bb06-868ae5c25657 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101960
StatusPUBLIC

Content hashes

Canonical textb76b252018d139b3eae3a8897439954f453e88201bb1e8a96837808e84f98ba0
Markdownc1d59285f6c661fae8d86aa2d50b374e8b102d94aabe3a1b033fe3740a9a44d6
PDF
Publication page828b74cdf73c3b1fadcc539486487c6509288c19d0886898281a087f004afec4
Manifest194cf1d9559463f199b81734b4a54f61b761e1a6ef6c5dee6c59e2358813bbc9

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
SignatureUij4GRZXfBiq+SAUyvP7Xs9pjcvJXVMo40NwVcWi0bVe3XiyT3zIoowBNfj79OAY1v/9C+mk2y4/fP+ceotaBg==
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

2026-09-17T09:25:04.805145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101960
observed 828b74cdf73c3b1fadcc539486487c65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:04.786198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101960/manifest.json
observed 194cf1d9559463f199b81734b4a54f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:04.766686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101960/publication.md
observed c1d59285f6c661fae8d86aa2d50b374e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:04.748886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101960/publication.txt
observed b76b252018d139b3eae3a8897439954f...
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.