OpenTechnical

OT-2026-000080529

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000080529) never changes.

Identity and time

Publication numberOT-2026-000080529 · never reused
Internal UUID01a0ae96-7e78-7895-b0b8-a63dcc32ec21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080529
StatusPUBLIC

Content hashes

Canonical textf301fbf913f7c39013e1421ffe4f24d852519b0815b7d20093f118080de9e39d
Markdown494127a5cb8aaa2be10a5e804111e7cf938ebba483ac17543427614525d0ae07
PDF
Publication pageb22020d23781bfb27a1eb93a635a7662a6740625084f4b0eda2b116cdc34d890
Manifestd49a5e8164f1b24bd451abedf4a0751b51431993f1d17b971d389f3ef7a4f17a

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
SignatureYe+/ti6+06p8AxP2E58gYU4kw5T1Nfwi+c3uud0foVKfwKfDT/0w8XO7d1dPXY7lqDG1NHGZwkNz/YpNlALDDg==
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

2026-09-17T10:03:03.100460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080529
observed b22020d23781bfb27a1eb93a635a7662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.082643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080529/manifest.json
observed d49a5e8164f1b24bd451abedf4a0751b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.063213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080529/publication.md
observed 494127a5cb8aaa2be10a5e804111e7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.044942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080529/publication.txt
observed f301fbf913f7c39013e1421ffe4f24d8...
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.