OpenTechnical

OT-2026-000101657

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000101657) never changes.

Identity and time

Publication numberOT-2026-000101657 · never reused
Internal UUID01a0aea4-0e16-741b-b6d3-187fa95d8288 · 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-2026-000101657
StatusPUBLIC

Content hashes

Canonical text70813e18440ca3e6287f9ce81682c6b23c1226a59838a77ed9f458c63560ba77
Markdown1906519cbb69c8b03cd3deb4a94e15a642bdb0e5e8e56e5d04b71ecfc6c2dc17
PDF
Publication pageb431a3a4f831513366e1525b685e0e50fe27bb67ece1f293eb7f64a7c2888214
Manifestf3a17012bf897f452e5096a6c808ba87583aa11d21e95a071414c79fc2ce7ed0

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
SignatureoqHKkqyD6s7u4yqcCKTzNeAYfxN7zmyM8PgXihSkLIhSM4sfHCQw+hfu4yW1qPFt48XY8U/oQJBY27vJYFySAQ==
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

2026-09-17T09:25:53.354375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101657
observed b431a3a4f831513366e1525b685e0e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:53.329798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101657/manifest.json
observed f3a17012bf897f452e5096a6c808ba87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:53.231547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101657/publication.md
observed 1906519cbb69c8b03cd3deb4a94e15a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:47.698622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101657/publication.txt
observed 70813e18440ca3e6287f9ce81682c6b2...
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.