OpenTechnical

OT-2026-000032214

Publication integrity record

Foam pad vacuum gripper, 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-2026-000032214) never changes.

Identity and time

Publication numberOT-2026-000032214 · never reused
Internal UUID01a0ae74-f7a7-796c-8c87-f3b498b86cee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032214
StatusPUBLIC

Content hashes

Canonical texteefb424aa8c041afb54d31653360f4318c10e60116ba5c6b7770c00c4789a22a
Markdowna20d9ba229f76bdd99f68ee119c4cf73d9195e41bd951780d8815165d8f7376c
PDF
Publication paged6ec8e347c2ba12e2efacab98212668fd65674deb923de00b0392ceb7839994a
Manifeste40fd0dd7a5f184ba141b7769539bd71cb460d31d0f1fb66a0b904bf9826be2a

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
Signaturebs2i5O+gB3B/Uu5aNlxn/beSdXHsnrUsD4652ZMUAaALpyykVqpy/QN4+6HJp/naBMo9mzzX8sfDtihgTL4DBQ==
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

2026-09-17T11:34:33.758015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032214
observed d6ec8e347c2ba12e2efacab98212668f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.740766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032214/manifest.json
observed e40fd0dd7a5f184ba141b7769539bd71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.722753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032214/publication.md
observed a20d9ba229f76bdd99f68ee119c4cf73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.705103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032214/publication.txt
observed eefb424aa8c041afb54d31653360f431...
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.