OpenTechnical

OT-2026-000087135

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000087135) never changes.

Identity and time

Publication numberOT-2026-000087135 · never reused
Internal UUID01a0ae9a-9f2d-7544-866d-32a7d51ec59c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087135
StatusPUBLIC

Content hashes

Canonical text4e1230d8c43870a1b4211a962dbc62cdec31e342a754faf18801ff1c38db9f2e
Markdown5748be25540f871fb200e0bb19ce6bdd514bdd990a3238d5b6c4ac2872d3088d
PDF
Publication page435dd8757d34f932d3d9150c330f2789463ef23cca89050310ce86f343295b88
Manifestfa7b89a72d1780b5dd230bbfc5db50ef79be9e7744939d67346f869d39f21f31

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
SignatureAnZ7144HNzP5ZzTlZ8l9tE5hbloS/SNqIyqOjm1xcPvbeS1OP0tXjtcf/ONpkFe9gwwEvVJ7GS+8QtiEawbeCA==
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

2026-09-17T09:51:23.873182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087135
observed 435dd8757d34f932d3d9150c330f2789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.856823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087135/manifest.json
observed fa7b89a72d1780b5dd230bbfc5db50ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.841495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087135/publication.md
observed 5748be25540f871fb200e0bb19ce6bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.824965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087135/publication.txt
observed 4e1230d8c43870a1b4211a962dbc62cd...
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.