OpenTechnical

OT-2026-000076183

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single 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-2026-000076183) never changes.

Identity and time

Publication numberOT-2026-000076183 · never reused
Internal UUID01a0ae94-6a6f-795b-babe-af27667611d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076183
StatusPUBLIC

Content hashes

Canonical text4eec1f1285b5a17e03b2a3e1acda76d248bf83e29a953005ec4afb3d49ac13c9
Markdown153e98dc6e228b290e65b1e5a65d4deebff8a095480d4403270685ec4331d9ee
PDF
Publication page3ac7aa13292af4d7edb1dce8991273d32ab252b4244637d92cb979872780a587
Manifesta78f8f40560fa8f6a24e23c24cb35a7550ddeefc7391fbf17a9c89d51a00095e

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
SignatureWfY1AnP/7FZjYhbyLrdHVAUJ/hrWotp2eTCnnzW7r0kFo1D+muuVUsvYhVxrEQ5jrpq2u9aTjMsEyIniRE+tCQ==
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

2026-09-17T10:11:28.983182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076183
observed 3ac7aa13292af4d7edb1dce8991273d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:28.963642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076183/manifest.json
observed a78f8f40560fa8f6a24e23c24cb35a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:28.944251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076183/publication.md
observed 153e98dc6e228b290e65b1e5a65d4dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:28.802220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076183/publication.txt
observed 4eec1f1285b5a17e03b2a3e1acda76d2...
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.