OpenTechnical

OT-2026-000103798

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000103798) never changes.

Identity and time

Publication numberOT-2026-000103798 · never reused
Internal UUID01a0aea4-e463-7446-8f68-99e575193bab · 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-2026-000103798
StatusPUBLIC

Content hashes

Canonical textf3db8cc2e928bf52e3e8bc51c1db284b9a97b538a0bc90e84f27024a7e223416
Markdown9421467508fc3e44338dcf931ebc5f105be9c7ead29f952ef7b10ee2817cb910
PDF
Publication page80cf2b6ecd7e2d1df2f087dcaf48764dcf2b44ea17cdc5ee801cb3f3962df7a5
Manifestd79d55431b36db59f6425f8a4b4a59276989940086e0b6371583734e0e07cb80

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
SignatureSRXvBk8JCo2bxK214YkKETWaxkF6tnUdwBQtx0/Fwesb8kHASLR5nkdR9qhNKDVf3nxV1HJymVZvqk1g3E1pDw==
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

2026-09-17T09:22:45.166225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103798
observed 80cf2b6ecd7e2d1df2f087dcaf48764d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.150082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103798/manifest.json
observed d79d55431b36db59f6425f8a4b4a5927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.133403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103798/publication.md
observed 9421467508fc3e44338dcf931ebc5f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.116535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103798/publication.txt
observed f3db8cc2e928bf52e3e8bc51c1db284b...
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.