OpenTechnical

OT-2026-000103637

Publication integrity record

Foam pad vacuum gripper, four zone face, three 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-2026-000103637) never changes.

Identity and time

Publication numberOT-2026-000103637 · never reused
Internal UUID01a0aea4-e462-7d18-b9fe-b0b11ddeb426 · 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-2026-000103637
StatusPUBLIC

Content hashes

Canonical text2ddb6f050caf9c3199f64bcfe178e1c94d7c10ba76fe1329a0012b4d56938993
Markdowncbc3f9a94f789b8efe4a591d69ec18ab3a8813f292ea79b96244b34c7c308c62
PDF
Publication pagea77a42547d16375966048bc847760e7bd0f37c2243d8978215d9423a35316ae0
Manifestc92ac1c2b0531ad39b4005c5f29a3e05bc485907686a7e25be3f8fee2d2d4be3

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
SignatureZkWmPrC2EZMqHXaw+Vw72YgIZKowMCwlBjnt466HS1/oY588C9sIo875Rd3VlT9huOMr5LPUj6zZ2m+IvJvhAA==
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

2026-09-17T09:22:26.003847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103637
observed a77a42547d16375966048bc847760e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.986760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103637/manifest.json
observed c92ac1c2b0531ad39b4005c5f29a3e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.970007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103637/publication.md
observed cbc3f9a94f789b8efe4a591d69ec18ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.953842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103637/publication.txt
observed 2ddb6f050caf9c3199f64bcfe178e1c9...
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.