OpenTechnical

OT-2026-000068312

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000068312) never changes.

Identity and time

Publication numberOT-2026-000068312 · never reused
Internal UUID01a0ae90-2480-7002-894f-670198ed9cd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068312
StatusPUBLIC

Content hashes

Canonical textf12287d20b1871875df6075b9434f4dc2f56352c9c2b50f732e48795aad40cca
Markdown43b31c84b81ed88597c30fdde4572792f14b941a312caeff92f6ee9add9bd565
PDF
Publication page3b147298c72cebd96c555679b756d6165baf2eccc92c74a9927d8d6db0250e83
Manifestbdbad9eff40a5c25fcf1f00c3a92d0765ea01eae9613f48ee4c89a532de5638f

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
SignaturepFvLhcVgm6TjZR1NIV1g8HPps6nVddeErQ/VZBR/Lr3GcgcJNc7h8wzRZRpc/yd/YnnkVqMTBQNjoTEiR4LgCg==
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

2026-09-17T10:29:21.014273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068312
observed 3b147298c72cebd96c555679b756d616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:20.997283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068312/manifest.json
observed bdbad9eff40a5c25fcf1f00c3a92d076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:20.977507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068312/publication.md
observed 43b31c84b81ed88597c30fdde4572792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:20.960279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068312/publication.txt
observed f12287d20b1871875df6075b9434f4dc...
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.