OpenTechnical

OT-2026-000064155

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000064155) never changes.

Identity and time

Publication numberOT-2026-000064155 · never reused
Internal UUID01a0ae8d-a45f-79d0-9c3c-b69952ca2a0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064155
StatusPUBLIC

Content hashes

Canonical textb7e6e7babd05d1e308b495476ea01444a85f376ef47c4b3ffc4f2515f9d5f777
Markdown722f81f9e4df442cf8eb165e29dd2995dcbbc2105eb8bd9b54f850b54df92e84
PDF
Publication page0206c9ba055e7a7449ae491e238e8c5bdf1ae94305073a559402abada390e63c
Manifest56a757f09175530ebb0eadcc9cab84558896ac04e0b735a04abd6628a2c84599

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
SignatureZYSYAUBD+5kGAdZRfSGnzuRsLXK/SPKzqV5A1pbm76pxPWFE2ZMkoI1n72hrHAY1DBDhx4/TEqwYoW5Thtm+Cg==
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

2026-09-17T10:36:09.768560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064155
observed 0206c9ba055e7a7449ae491e238e8c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:09.750849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064155/manifest.json
observed 56a757f09175530ebb0eadcc9cab8455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:09.732378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064155/publication.md
observed 722f81f9e4df442cf8eb165e29dd2995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:09.714256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064155/publication.txt
observed b7e6e7babd05d1e308b495476ea01444...
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.