OpenTechnical

OT-2026-000091292

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091292) never changes.

Identity and time

Publication numberOT-2026-000091292 · never reused
Internal UUID01a0ae9c-f16c-7394-9a8d-4b8c8b1f062b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091292
StatusPUBLIC

Content hashes

Canonical text12bfc27c0ebc8ad2a984c026cf690e85d0e5c9a4ed5e90bdec0821ab7074b56a
Markdowne209d93f8d30ebb478fcb80dac34d7536dc5300bd7f46d0b9497d7802efa9ecd
PDF
Publication page4a7eea07cd57453b9d60079fc12c4a2fe2ed04b4d357bd07f4e4fb88560449fb
Manifest161ae90b8df4c107fd6a57ff9724fa50c2022c62ff51fc4fa8c3551eed3a0994

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
SignatureGkF4mGMvIhn+Op+kn0VRL5imn4MunJeGNxeomK9FvQr50BF4w3L1hlDzRka+a/QxOzFcv39xKPqTdfZvIVzEDg==
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

2026-09-17T09:43:29.092276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091292
observed 4a7eea07cd57453b9d60079fc12c4a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.074214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091292/manifest.json
observed 161ae90b8df4c107fd6a57ff9724fa50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:28.969519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091292/publication.md
observed e209d93f8d30ebb478fcb80dac34d753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:28.949472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091292/publication.txt
observed 12bfc27c0ebc8ad2a984c026cf690e85...
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.