OpenTechnical

OT-2026-000079823

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, sustained 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-2026-000079823) never changes.

Identity and time

Publication numberOT-2026-000079823 · never reused
Internal UUID01a0ae96-4376-7e9d-9b4d-e1bf1582cc97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079823
StatusPUBLIC

Content hashes

Canonical text85ccec974b501c608b68d13ef443d1fad90f8c6cb79950315ee0d455e0cfa7b9
Markdownd176622305837712c94e65bdc8f4741c2575a4fb1c9a01cf7eba1f838a5051d1
PDF
Publication page35e0ce9a4939370024a7dbc18cb202fa24811b09396c4e28d112152b5b8168b8
Manifestede73fefc9612e8189473d9047a453cc167d1d94d0e8f2e234fe619e7777f046

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
SignatureBQmu7CUwqXv3+xYo40RXeCnpmDusJK1SI2Z6cWPMYTYLQQ/x9wmRzX8PTVEHrMp6OA5XsEzqMdP0eYLh9P6KCQ==
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

2026-09-17T10:03:42.308740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079823
observed 35e0ce9a4939370024a7dbc18cb202fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.289618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079823/manifest.json
observed ede73fefc9612e8189473d9047a453cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.269009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079823/publication.md
observed d176622305837712c94e65bdc8f4741c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.249486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079823/publication.txt
observed 85ccec974b501c608b68d13ef443d1fa...
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.