OpenTechnical

OT-2026-000058016

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained blow-off 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-2026-000058016) never changes.

Identity and time

Publication numberOT-2026-000058016 · never reused
Internal UUID01a0ae88-6ed9-7e6f-80da-364a97521e0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058016
StatusPUBLIC

Content hashes

Canonical texted63a44e98983cb68590a9e74bed7228e03a9f5cdac8d14f37f9ee7cda2834eb
Markdown9d8a2c4d149f59faf65fbd4ac924e8a47b779ac1dac5f06a3be0245c64bd084f
PDF
Publication pagef29a173e2efdc7f736de2e10fa66327a8403ff4b4321621974bcee71cae9ead7
Manifesta3ba7b2cc4bcc235af63ccef226cc4cf0de4d9896d8cb7e857153e61d67b3582

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
SignaturegjD35Pl2NWH7SrDAwHVjngPUJ0HzFm9he508sfVTLYyOs/0XijgIuyYQRlEQ7bleSZG3m3stE/m2dktgYoNaBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:39.239747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058016
observed f29a173e2efdc7f736de2e10fa66327a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:39.220554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058016/manifest.json
observed a3ba7b2cc4bcc235af63ccef226cc4cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:39.202622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058016/publication.md
observed 9d8a2c4d149f59faf65fbd4ac924e8a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:39.184585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058016/publication.txt
observed ed63a44e98983cb68590a9e74bed7228...
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.