OpenTechnical

OT-2026-000080229

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three 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-2026-000080229) never changes.

Identity and time

Publication numberOT-2026-000080229 · never reused
Internal UUID01a0ae96-7e76-7dc3-bd1a-31f8ba8b2802 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080229
StatusPUBLIC

Content hashes

Canonical text3364d726b6406969b0232b32fd1dab952654ee1a01b5e70de84f90332b2c1578
Markdown84a8a767383236383eb445304951b434b72ea969e9d8b18b328029e7e3c65dc0
PDF
Publication page29a361d3569cab2e2058606bcfaabea767351cf98e4b1c01f75584f29cb3289d
Manifest99c68317dc608e894f7b3857820de9ad112a962e206bdc1039098ddd8e600c89

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
Signature/GPlbBtSGS5WxXbxB9kLWvL+gerI4R7MtP0xFl1THRvqcZm267H6P9AY+gYfv583+6L2r214mwGoO8RHYuWfAw==
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

2026-09-17T10:02:41.103592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080229
observed 29a361d3569cab2e2058606bcfaabea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.086727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080229/manifest.json
observed 99c68317dc608e894f7b3857820de9ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.069491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080229/publication.md
observed 84a8a767383236383eb445304951b434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.052514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080229/publication.txt
observed 3364d726b6406969b0232b32fd1dab95...
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.