OpenTechnical

OT-2026-000016863

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000016863) never changes.

Identity and time

Publication numberOT-2026-000016863 · never reused
Internal UUID01a0ae6e-5919-7667-b366-1069b685d2d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016863
StatusPUBLIC

Content hashes

Canonical text6794ef9fa66f0eb54747b42f3b60f35bf61b416c76d540f3cfdb3716f2d39714
Markdownbf640c98885b0789f747c9b3057a6900b89e675c40195140c26b0f45bc96d450
PDF
Publication page564672fb5d80d645c6313e680ee803d534396b58872e316f1cc49b5e1382ec7c
Manifest44bec030cd1cbfbcfd821e54a1cbf151e11791c9deb7a95f67c84482d8192ee0

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
SignatureMEdugbaNVMWWmOtjjRumwiKRCnvYmy8iJiDGcB9uWfY9GfTNIOGl2P38cuX8Znvldu8xLTUJfEM2A0Agdl5eAw==
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

2026-09-17T12:03:07.886148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016863
observed 564672fb5d80d645c6313e680ee803d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.870501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016863/manifest.json
observed 44bec030cd1cbfbcfd821e54a1cbf151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.852903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016863/publication.md
observed bf640c98885b0789f747c9b3057a6900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.833921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016863/publication.txt
observed 6794ef9fa66f0eb54747b42f3b60f35b...
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.