OpenTechnical

OT-2026-000073698

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000073698) never changes.

Identity and time

Publication numberOT-2026-000073698 · never reused
Internal UUID01a0ae93-2b8d-746c-b531-d07e73cab21e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073698
StatusPUBLIC

Content hashes

Canonical text29306808cc9d678f2277f8490bd346bf3589cf741343c57399ee060b5c53c50e
Markdown1a2f03d8664ab0ac5a44a62af3d4e01f314bc0ea0caf867fc4b421de39e033ba
PDF
Publication page1ba44ca0b81c9e08fc216f02dfc2fccd32b40610d29b36d309310fb929b0806b
Manifestfd75fa5ccfbe77ad43c3449ab546af67eb50b753d88e7d3de1afbee4312abc60

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
SignatureAWAnZ9PCk/YgOqVq71zfwWZgHJW74lwgLTCtLDUHny5s/8BnF/y1k/HmdKgpo308k1fb6y7Nf4QdNoQuYfDtDQ==
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

2026-09-17T10:19:45.819173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073698
observed 1ba44ca0b81c9e08fc216f02dfc2fccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:45.800092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073698/manifest.json
observed fd75fa5ccfbe77ad43c3449ab546af67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:45.780856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073698/publication.md
observed 1a2f03d8664ab0ac5a44a62af3d4e01f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:45.761887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073698/publication.txt
observed 29306808cc9d678f2277f8490bd346bf...
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.