OpenTechnical

OT-2026-000070273

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, 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-2026-000070273) never changes.

Identity and time

Publication numberOT-2026-000070273 · never reused
Internal UUID01a0ae91-545e-7628-a52a-4f1cccc075c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070273
StatusPUBLIC

Content hashes

Canonical text3132b11401a85ea38055ecafc73ded08f9608bed251432f639a74e8572fa639e
Markdown37baddb68b1b61db61c5317b76f8b8f888b9ec3022332c594a075a49b12b5e11
PDF
Publication paged87a2f5499a732c74a6c248ff148c797f5bce90bfbc603a33e9cd7a172e70094
Manifest14eadd9fc0c7f09243510657cd2a8b198916a7655416486036d75e12cc2d61a6

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
SignatureBqQK8XyufhDFdoeu+cZJFh2kex0rR/PGXGuauDd5MMHptfgr5cFwDzP8OlBPEu26FHXYedp0Yr0FUC1/pK5OBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:03.312487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070273
observed d87a2f5499a732c74a6c248ff148c797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:03.296129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070273/manifest.json
observed 14eadd9fc0c7f09243510657cd2a8b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:03.277961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070273/publication.md
observed 37baddb68b1b61db61c5317b76f8b8f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:03.260330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070273/publication.txt
observed 3132b11401a85ea38055ecafc73ded08...
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.