OpenTechnical

OT-2026-000080131

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single 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-2026-000080131) never changes.

Identity and time

Publication numberOT-2026-000080131 · never reused
Internal UUID01a0ae96-4378-7e9b-a119-9cf4555fe225 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080131
StatusPUBLIC

Content hashes

Canonical textb39027366e3fcc7f1e78006f3102556c32707c7ecdb3dc23091077cde9e292b3
Markdownaac0b1cec2d07a8ce391cece6529345cfb50efebfd017937a420319e9805e9ff
PDF
Publication page470c83196e3875fdf57c6a6e00c4a8e2fa70b0ab463c16cc3e286248e7e322ba
Manifest79cc32610004d0b5a92bace44d28a4f88faa2a6e51a8aa3e457294be4045ec4c

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
SignaturetQYrckT3s0DSZfZioz91FzZAC431nB6URYSthJI1om70HmeUihZJkAd+xf3GeORyOwk7D6INE3/Dsq4BFtCoAw==
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

2026-09-17T10:04:04.694242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080131
observed 470c83196e3875fdf57c6a6e00c4a8e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.677902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080131/manifest.json
observed 79cc32610004d0b5a92bace44d28a4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.659918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080131/publication.md
observed aac0b1cec2d07a8ce391cece6529345c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.644094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080131/publication.txt
observed b39027366e3fcc7f1e78006f3102556c...
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.