OpenTechnical

OT-2026-000071548

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, vented before set-down

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-2026-000071548) never changes.

Identity and time

Publication numberOT-2026-000071548 · never reused
Internal UUID01a0ae91-e0ee-792d-9954-26cd2bf03d34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071548
StatusPUBLIC

Content hashes

Canonical texta57606f736317c34cebb0092740023bff8f354c084efc4b877b03c0e87d30165
Markdownb10eebc08bca036ca31fb326454980019cfe63ebcf3b3c52202c86941b443038
PDF
Publication page93d8bacbd813a7a8bc2c2b236025d7f88fd7a2eb919397369bfa8a0e8fba2ae5
Manifestef5ac5bcda8d0b219da738bb076bb55b791f3afec724686ccbc30cf2c7144a68

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
SignatureJXA6gF7wr16pr5EbAHjv2h9ruHuHhP/+dky82ni/VNL5nTFVZTQWdASKRo8YPDpC3yCDiRq5Z+fDWVavonJFBg==
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

2026-09-17T10:25:12.216359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071548
observed 93d8bacbd813a7a8bc2c2b236025d7f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.197804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071548/manifest.json
observed ef5ac5bcda8d0b219da738bb076bb55b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.180635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071548/publication.md
observed b10eebc08bca036ca31fb32645498001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.163520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071548/publication.txt
observed a57606f736317c34cebb0092740023bf...
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.