OpenTechnical

OT-2026-000101104

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000101104) never changes.

Identity and time

Publication numberOT-2026-000101104 · never reused
Internal UUID01a0aea3-c378-778a-a975-8cb1ef0eb984 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101104
StatusPUBLIC

Content hashes

Canonical textf1c14408070a368e239b91315c0bcbec8d08f308bf6150c5634ec22363979f30
Markdown309c22da3eebd4900c2653ebb5c5cfdb8aa40c9e1acde8d977821ac9dc6bf6fd
PDF
Publication pagec570b352222327b1619d4f7ad0f366858007263f99e2821edf55026be499f757
Manifest5215f47145641b3ff3fcd013d5bc08a7bbe01ea8e2a2502047109777cd894778

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
Signaturex8R/znsLk0fIV6vA6JUZPOI0Gz0jlLQflB342TcZokMDtS0IyrpZTKxcRt+gnR/wgbsD6NmI3usY/lOG4X8CDQ==
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

2026-09-17T09:26:43.767280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101104
observed c570b352222327b1619d4f7ad0f36685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:43.750375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101104/manifest.json
observed 5215f47145641b3ff3fcd013d5bc08a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:43.732592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101104/publication.md
observed 309c22da3eebd4900c2653ebb5c5cfdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:43.714694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101104/publication.txt
observed f1c14408070a368e239b91315c0bcbec...
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.