OpenTechnical

OT-2026-000103389

Publication integrity record

Foam pad 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-2026-000103389) never changes.

Identity and time

Publication numberOT-2026-000103389 · never reused
Internal UUID01a0aea4-e460-7962-aeaf-fb41b1d22f3f · 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-2026-000103389
StatusPUBLIC

Content hashes

Canonical textc4310e7b27ba8373a6a7bdaf8e72767b9f1fcd0fce545bb6bb82c4e2a786f065
Markdown02777e2f4935fcf7b4dcdde4c8b1b0617ef233d2b836a4cab5c4b11da7b4691f
PDF
Publication pagec960a68290b3549dbc85d42ead38dcc065c857fbc9a77b64a3a63b9f3c837ae4
Manifesta450626f23744a58b138987ad8c57b2b7b2d16856e5dd52bdd99fa0d3f2edc1e

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
SignatureGnPKBpiEI4p7MWbSfAfYhdor1cXPD2r1eZFCi2M3UVmQ352jNikwdTwmkeQgXkM8H8m3FVkmQffUCIgoHeJSDA==
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

2026-09-17T09:22:07.839490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103389
observed c960a68290b3549dbc85d42ead38dcc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.819907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103389/manifest.json
observed a450626f23744a58b138987ad8c57b2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.801847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103389/publication.md
observed 02777e2f4935fcf7b4dcdde4c8b1b061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.781332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103389/publication.txt
observed c4310e7b27ba8373a6a7bdaf8e72767b...
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.