OpenTechnical

OT-2026-000042667

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000042667) never changes.

Identity and time

Publication numberOT-2026-000042667 · never reused
Internal UUID01a0ae7a-c0ce-70fe-bdc1-92929e292335 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042667
StatusPUBLIC

Content hashes

Canonical text96f84e8480734e132bb7ee89efcdf69dab43d5da7d96d5371c114a1ab243d3e5
Markdown64d0c8cd96c19b09ae7f51a83feeb2409d08b4e541c4a1a0e3af4a30b3971212
PDF
Publication page7fe2fbe5ee5ba330062724dbe2dea49b8954a9cfa5f293dc800aa4804b70debc
Manifest579ad9920148407219a8bf4688310bf0e1d1f4f4cef1e9c7f692562b118960c4

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
SignatureofPesnq2kc+WSRKB8x9jPIdb6vM+gS4DmXbHSsta0/SPmZQDbj5Fz/QqLPjflwiYGeYE/QYgD6E3ow7A2R+tBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:00.822192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042667
observed 7fe2fbe5ee5ba330062724dbe2dea49b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.801481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042667/manifest.json
observed 579ad9920148407219a8bf4688310bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.783101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042667/publication.md
observed 64d0c8cd96c19b09ae7f51a83feeb240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.766622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042667/publication.txt
observed 96f84e8480734e132bb7ee89efcdf69d...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent