OpenTechnical

OT-2026-000010698

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, vented 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-2026-000010698) never changes.

Identity and time

Publication numberOT-2026-000010698 · never reused
Internal UUID01a0ae6c-0ee8-7a14-8a98-6f6b64e78ec0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010698
StatusPUBLIC

Content hashes

Canonical textb0d093776dadc6a064f0c4ce6a7d55e342302b8a9cf8130fb69bd39237f3435a
Markdownbf7f4f6502460a8f87e67d40f657183f424e0cb339743568e1aa9ba6d271342c
PDF
Publication pagebdf20dc5980f02d3f036ad9619c65a2bc07b8f9301669bb605762abf1db44603
Manifest3f4d51ce652a3b5b3812b9bf490577fa3813bdca09008aa9551fb474c5da8c02

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
SignaturecgMZGcxS4V12Ht2EnWIVRGTgPTryc2pKLuck4RMgoTpjnaMMw89J0hJfRfFrxedkda19t+8wJwj33FUo51YADQ==
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

2026-09-17T12:14:54.878528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010698
observed bdf20dc5980f02d3f036ad9619c65a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:54.857131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010698/manifest.json
observed 3f4d51ce652a3b5b3812b9bf490577fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:54.833838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010698/publication.md
observed bf7f4f6502460a8f87e67d40f657183f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:54.812465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010698/publication.txt
observed b0d093776dadc6a064f0c4ce6a7d55e3...
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.