OpenTechnical

OT-2026-000103383

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000103383) never changes.

Identity and time

Publication numberOT-2026-000103383 · never reused
Internal UUID01a0aea4-e460-71f6-996c-8ee1fb249950 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103383
StatusPUBLIC

Content hashes

Canonical textaa1f1056a06b5b21e58b4eaa7e0267748c8122f105f000982996e1bdff8b0b85
Markdown0ebf4811a488c7de18c55c499ef4abba59c3d963082c367deb3ff86172e0d2c5
PDF
Publication page1e06c4f52224e8a180f5233556394143fdaed03a50c9ccf757ba3cb9ba64f200
Manifest12613a415fd37487d3e15b5f2c2a7931e3f011f36df506e8bef470a0ec57e67a

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
SignatureG+C82z3LsRXcsYccZj/xiVJD6gCQeXR53BYwNWl4gXIip0V3KSEdHwl2p40VUIrJdsWcwQx9lQrsxCJn+cS0AA==
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

2026-09-17T09:22:07.400421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103383
observed 1e06c4f52224e8a180f5233556394143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.383997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103383/manifest.json
observed 12613a415fd37487d3e15b5f2c2a7931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.367773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103383/publication.md
observed 0ebf4811a488c7de18c55c499ef4abba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.352143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103383/publication.txt
observed aa1f1056a06b5b21e58b4eaa7e026774...
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.