OpenTechnical

OT-2026-000011608

Publication integrity record

Three finger pneumatic gripper

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-2026-000011608) never changes.

Identity and time

Publication numberOT-2026-000011608 · never reused
Internal UUID01a0ae6d-193f-75f5-b50c-9f30debe9c60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011608
StatusPUBLIC

Content hashes

Canonical textdc44bf96f6b79050f55a90e49a2aed2555d78124ee54f3e4768f58882e6b56d0
Markdownde53aff7059ccf111b1f1ae983185c1660ca77adbb0498d307c8fdc0fa9cd6a2
PDF
Publication page40c189d30abdf23a0b93ed7a03f1febdfd519f13a03707353defcaac12e8df01
Manifest820af587d6432f8448bcbe764393758b4b77dd32367c794fb6da5d4feff73fec

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
SignaturerAbQsZGx0VuwPziwUHHCvsEAlNLomSHtcPSr64lwbU12XZrI68hRPqCH/3mqeMK+QptsRQQhtUO5W5VIOiDsCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:10.041596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011608
observed 40c189d30abdf23a0b93ed7a03f1febd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.021765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011608/manifest.json
observed 820af587d6432f8448bcbe764393758b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.003437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011608/publication.md
observed de53aff7059ccf111b1f1ae983185c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.986073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011608/publication.txt
observed dc44bf96f6b79050f55a90e49a2aed25...
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.