OpenTechnical

OT-2026-000082657

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, sustained blow-off before 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-2026-000082657) never changes.

Identity and time

Publication numberOT-2026-000082657 · never reused
Internal UUID01a0ae97-8cc8-773a-9ca9-7557fc920467 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082657
StatusPUBLIC

Content hashes

Canonical text676d6a9497f8cbb03ef83123c665d175ca12f8201ca84352bd78416e74453e12
Markdowncf80420bb7261c4070ae93170d1ec2614483e7f915e395753082d4f42f68513b
PDF
Publication page78d60a24f424b64ab687a3a06eb5b663acbe49396dd66c7ad9f1c7f79b2602bd
Manifest8ab72f1e37561254ea9132aa353d9f9461f595986272a684d7174f0619edb3d8

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
SignatureWFH3FNTheD9GSvl+x4uk2iEEqgll6Z98HPE7XVb/rnsC+cv6dsIivmxh5xrbcWHrur/PLKpe1U/nZuPU6xfJCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:13.237478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082657
observed 78d60a24f424b64ab687a3a06eb5b663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:13.221949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082657/manifest.json
observed 8ab72f1e37561254ea9132aa353d9f94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:13.206797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082657/publication.md
observed cf80420bb7261c4070ae93170d1ec261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:13.188622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082657/publication.txt
observed 676d6a9497f8cbb03ef83123c665d175...
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.