OpenTechnical

OT-2026-000089511

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089511) never changes.

Identity and time

Publication numberOT-2026-000089511 · never reused
Internal UUID01a0ae9b-db02-7e63-84b8-3ffe3f803de2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089511
StatusPUBLIC

Content hashes

Canonical textc93e1a20069fb503f0198d5b49c199bafd31a0e19633f301b3b8bad11feba508
Markdown216ce7ab150f5aa8c97f150dd614c9f8a7ec91805dec7d5bceef77cc2103a1a3
PDF
Publication pagef6df208c0b044a4942492e6fd9492fcabbb7e834e6c39966aab4392b9f70aa90
Manifest9e0d6433282352829a71ac0d88bb70dff1732dcde61271a8178af1f994f9a893

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
Signatureml+fi/2m3x99yljsUFcJRhIBGpUgRKL1g85+vjtmEXCZodhg4xjbRQq2F9UKSjDHdi537zJYTAG8nVkOtpSVBw==
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

2026-09-17T09:47:40.015461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089511
observed f6df208c0b044a4942492e6fd9492fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.999039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089511/manifest.json
observed 9e0d6433282352829a71ac0d88bb70df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.982254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089511/publication.md
observed 216ce7ab150f5aa8c97f150dd614c9f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.964267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089511/publication.txt
observed c93e1a20069fb503f0198d5b49c199ba...
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.