OpenTechnical

OT-2026-000103200

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two 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-2026-000103200) never changes.

Identity and time

Publication numberOT-2026-000103200 · never reused
Internal UUID01a0aea4-be3e-7b88-bb9d-56662f907a50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103200
StatusPUBLIC

Content hashes

Canonical textb3a25c0d4303383be23ab8f2737eb1308620c9d63845b75fcccecbdfa66ec646
Markdown1a053461f080c0079a382ec09ab06a65848b0a425341e1dcbe3fb50c8d95d72f
PDF
Publication pagebb12ceacf59228110d44da29db366b578623b5e08002c70f2bfadb7687142375
Manifesta974d942b15e14f6402f162d5137c0b97b3cb5064e4eb0779495994d47d66734

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
SignatureR80Rr+FOtmtg5zgsB29+/9JY/K2WaqkuxbEAIfRk6m11X99sPr+MS0HjuE1EmPTOVyYUaGzxJOZMyN/qzNFrDQ==
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

2026-09-17T09:23:25.547536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103200
observed bb12ceacf59228110d44da29db366b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.531182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103200/manifest.json
observed a974d942b15e14f6402f162d5137c0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.512450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103200/publication.md
observed 1a053461f080c0079a382ec09ab06a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.494917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103200/publication.txt
observed b3a25c0d4303383be23ab8f2737eb130...
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.