OpenTechnical

OT-2026-000101598

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000101598) never changes.

Identity and time

Publication numberOT-2026-000101598 · never reused
Internal UUID01a0aea4-0e15-7157-97e8-22778db920d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101598
StatusPUBLIC

Content hashes

Canonical textf30cab8595e2e046b66afd34d060bbca2fca15c9b760bb7d289827d121c732cb
Markdown170e6eff7a11ddfb7751066db603ebfce5b79d5ca67b277ca111f903194f9681
PDF
Publication paged31a610ed8b3931087ba2073752f4d7b3639b7e5f260fecfd4f52d43c9ba25a2
Manifest1e982d86cfb45fb747de27d3fccaa0ce3de24cc7afb32d8f443e3c71ca4130d5

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
Signature7+nuYqGpsFkz53LJkEUxn1qheIsvs2IHf0I8wKaAI1/9U5CDo49mOC2xBivOvPumqviNO8iu3Q+k6N+ipTJEBw==
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

2026-09-17T09:25:42.404963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101598
observed d31a610ed8b3931087ba2073752f4d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:42.387775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101598/manifest.json
observed 1e982d86cfb45fb747de27d3fccaa0ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:42.370206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101598/publication.md
observed 170e6eff7a11ddfb7751066db603ebfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:42.351440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101598/publication.txt
observed f30cab8595e2e046b66afd34d060bbca...
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.