OpenTechnical

OT-2026-000070001

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000070001) never changes.

Identity and time

Publication numberOT-2026-000070001 · never reused
Internal UUID01a0ae91-1861-7eb6-b037-776c50322965 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070001
StatusPUBLIC

Content hashes

Canonical text79c0c357a0353232209959676988b360909eeb3209a3adcd3a58137fdd346a40
Markdown071004c761ab46a4598ce52fc88bdb2f906425f0be7cb5b643d3ee938eaad806
PDF
Publication page7235e20de49f378f33a45c629558d608769f660f9abe5ebe1393e1530a5d1176
Manifest20a7abe60a7ab733fa3e28c4584c02bbfdfcdc444b4d157e229844f7ffa3239e

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
SignaturepCiMWDgNYLIELFcJR0G6IyMBMH0tZgrjEybJeaMqxeNf0edFjhBE8zcE7niOY5osyYunLg5fRHfY7GpeZ7+fCA==
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

2026-09-17T10:26:57.004609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070001
observed 7235e20de49f378f33a45c629558d608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.988525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070001/manifest.json
observed 20a7abe60a7ab733fa3e28c4584c02bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.971309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070001/publication.md
observed 071004c761ab46a4598ce52fc88bdb2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.953814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070001/publication.txt
observed 79c0c357a0353232209959676988b360...
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.