OpenTechnical

OT-2026-000101653

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pulsed blow-off after 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-2026-000101653) never changes.

Identity and time

Publication numberOT-2026-000101653 · never reused
Internal UUID01a0aea4-0e16-7fce-896f-11f8e8a9deda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101653
StatusPUBLIC

Content hashes

Canonical text89e278847b1928b13405bc74f81a0b7b79700495e0e4db76929b9ec6ec3ec82e
Markdownac52f341fedb88ea8377c206f66f40b9c2601da3912f9514328dccfce9c230cc
PDF
Publication pagebe93138e155b8a5688ab10bdf5a73a9b483d844f2f03da3cd8eb9dcd42aa72e8
Manifestb3c21ff1f398c40c42b8bb08948b646aadb8934cb61c91a4a86a9ae3bd772834

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
SignaturevLvzDezEmS2Np5pOk77fiylFCpWBMy0isKcGiJkxqe6xZFcTb75kUakKobqCzRbRVqftIDFDr9IrWGq2ShQMBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:47.450034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101653
observed be93138e155b8a5688ab10bdf5a73a9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:47.431071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101653/manifest.json
observed b3c21ff1f398c40c42b8bb08948b646a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:47.412636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101653/publication.md
observed ac52f341fedb88ea8377c206f66f40b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:47.394817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101653/publication.txt
observed 89e278847b1928b13405bc74f81a0b7b...
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.