OpenTechnical

OT-2026-000015551

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pulsed 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-2026-000015551) never changes.

Identity and time

Publication numberOT-2026-000015551 · never reused
Internal UUID01a0ae6d-ef4b-779e-be0d-3f87bd9e04e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015551
StatusPUBLIC

Content hashes

Canonical textb03a84d05bba05f665c7e67c376837291dc674fe27f76919cd238d6ba4cb524a
Markdown38419cfeab00722a736248cac6616a3418cd790c24fdf179c38d548719279eea
PDF
Publication page24bfae5e406ee4360f6c70fcda379203fc06069c50b367ef81d6f2ed4236e5aa
Manifest11baccec0edee50f87a5960771237beebea41acbda2c8811fc618b68fc967f78

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
SignatureKAXCVomjFppMDZhSixdjQnIzaYz19bvml1xDV6MeR2pTUYWUDY2zKj4I7lfeIcDvPcbn0Gcwxc8MhZMASb9vCw==
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

2026-09-17T12:06:20.209615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015551
observed 24bfae5e406ee4360f6c70fcda379203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.188265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015551/manifest.json
observed 11baccec0edee50f87a5960771237bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.166317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015551/publication.md
observed 38419cfeab00722a736248cac6616a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.147677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015551/publication.txt
observed b03a84d05bba05f665c7e67c37683729...
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.