OpenTechnical

OT-2026-000026702

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000026702) never changes.

Identity and time

Publication numberOT-2026-000026702 · never reused
Internal UUID01a0ae71-f4aa-7bf8-832f-f9f746dc2b46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026702
StatusPUBLIC

Content hashes

Canonical text55445f253ece7f44c53162789e7fd0812f11f58ac03a4461e9da6c1a81bb4f60
Markdownfd45ca920655db6ec2fca661e540bbdb3069c9b3890bfd21c9078fed95818433
PDF
Publication page017ebee54cb6ea8799ec17e07ce01604c02d7e5f7d721d53e6fffbd175923874
Manifest1fc2744c9e9a56e5928967610f0ca148d588cab85ee16d5d23186055c2063424

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
SignatureClZsE/4bQK5yksiSMnem8sFuBKisqkeMpRfaNaRJWwnQAsr3cy9kX24Olk42gJlP1AtajDd7eNuMRTONNWFtCA==
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

2026-09-17T11:45:47.714671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026702
observed 017ebee54cb6ea8799ec17e07ce01604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.696759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026702/manifest.json
observed 1fc2744c9e9a56e5928967610f0ca148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.678295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026702/publication.md
observed fd45ca920655db6ec2fca661e540bbdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.657601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026702/publication.txt
observed 55445f253ece7f44c53162789e7fd081...
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.