OpenTechnical

OT-2026-000101897

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000101897) never changes.

Identity and time

Publication numberOT-2026-000101897 · never reused
Internal UUID01a0aea4-50f0-7e91-b9a5-1d76832a7be2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101897
StatusPUBLIC

Content hashes

Canonical text8735af78eacbf36da08df18633a17321205698b3deec2292b5909892e91f997c
Markdownfd6be4da8cecfd0d0408b44629445a6b5ec1dd0e9551f99338d0ff02cf28cf49
PDF
Publication paged61a4be7312328ff5e6383014805a9b5c12ee40e35447778271b374174789ea3
Manifest048086459baa976d80dd8f8b54a5fd8363ea530a6417ea49cb1583487c6834bd

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
SignatureRH1B5XLJU02PumV2RmRD47VPZocJTTfWxWtGEFRaohRtYzX8FY1l+rV8uFVPuqoBAFwi1qPW5ZEVP+OllVGhCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:30.391448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101897
observed d61a4be7312328ff5e6383014805a9b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.372604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101897/manifest.json
observed 048086459baa976d80dd8f8b54a5fd83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.353366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101897/publication.md
observed fd6be4da8cecfd0d0408b44629445a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.335198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101897/publication.txt
observed 8735af78eacbf36da08df18633a17321...
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.