OpenTechnical

OT-2026-000076035

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000076035) never changes.

Identity and time

Publication numberOT-2026-000076035 · never reused
Internal UUID01a0ae94-2a00-78eb-80b5-f2f9494dafff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076035
StatusPUBLIC

Content hashes

Canonical textd6e707cfe3b0632e5ae3e04d30a5f4fb7a298a2529d7667fad40b12285bd9537
Markdownda6e5031eefd1589107a3c21eca3862495d77c20a52623dca1dc48c70b52276b
PDF
Publication pageb4ab7ae59bf66816be2f103f81c90f36911a73f8efb221c3f57859bba8d306f0
Manifestd96ac04b2e235065b9578c4144e5edc21fdd2f500b50226e40ed59377004d3d3

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
SignatureyzM+kCIxeWc9LtNabUoHCRJqI39po/A0O0Cir1GeYD7L0e77hYbZt7r3PpX51tDxZbsREUyyCZogJIBpmUx/Dw==
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

2026-09-17T10:20:17.664684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076035
observed b4ab7ae59bf66816be2f103f81c90f36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:17.645528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076035/manifest.json
observed d96ac04b2e235065b9578c4144e5edc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:17.627615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076035/publication.md
observed da6e5031eefd1589107a3c21eca38624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:17.609456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076035/publication.txt
observed d6e707cfe3b0632e5ae3e04d30a5f4fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:15.990133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076035
observed b4ab7ae59bf66816be2f103f81c90f36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:15.972366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076035/manifest.json
observed d96ac04b2e235065b9578c4144e5edc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:15.954208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076035/publication.md
observed da6e5031eefd1589107a3c21eca38624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:15.812901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076035/publication.txt
observed d6e707cfe3b0632e5ae3e04d30a5f4fb...
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.