OpenTechnical

OT-2026-000087750

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, supply line 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-2026-000087750) never changes.

Identity and time

Publication numberOT-2026-000087750 · never reused
Internal UUID01a0ae9a-cd55-72a6-baa4-65d28705342f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087750
StatusPUBLIC

Content hashes

Canonical text365a4a3c769c70cfc5167947de81fefb0f5890bedd6f87c8ff2113da9f2e024b
Markdowne04ded748153ad683f3c3e9763f9269a97262765ce785620a8a8967b80577221
PDF
Publication page59f4b0c63a4cffb898ebb3459529efc016dde262e1f9d7e629fa6cd9b50e81d6
Manifestb8598a4ba6eaad226d2e7f25f94c63a5b4ed3d183bbbc219c3711c57133b631c

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
SignatureAZn4X9iBgKgLQYhUBRdfsFwQ8KZxp9PVbJ7zp5vAYC07kjHwUbwBdONtbvyaPcvM2C/Wdapw+W8kX7mtDatUDA==
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

2026-09-17T09:51:12.384717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087750
observed 59f4b0c63a4cffb898ebb3459529efc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.369816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087750/manifest.json
observed b8598a4ba6eaad226d2e7f25f94c63a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.355257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087750/publication.md
observed e04ded748153ad683f3c3e9763f9269a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.339486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087750/publication.txt
observed 365a4a3c769c70cfc5167947de81fefb...
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.