OpenTechnical

OT-2026-000086264

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000086264) never changes.

Identity and time

Publication numberOT-2026-000086264 · never reused
Internal UUID01a0ae9a-2c95-7e57-8eea-d5e4e48d56b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086264
StatusPUBLIC

Content hashes

Canonical textedc4c35958b571ce31af333651d7e8be62cb525da1eacf163e3d59e4d1717cd4
Markdownd00b54cd4a7efdad31e54944ef0c42b57008ae53bf745f375182363b2f6eb79e
PDF
Publication page53c8e85087989a435ec4047a7a9bc18793960e3eda00cdcbe3edcb0efb1fc295
Manifestfaad12e4a402eea501a611ea67a712fb46dbf97a39629536892a39b54ab5ab09

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
Signature4wmszcEBdDvNMSlXQJDTSMjtC5XE7fTqQwDwoDLpG74buQ71oF3N3Oa2iilYI9u2zNAy/x+R3FZZQu9S6JMTCw==
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

2026-09-17T09:51:55.913502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086264
observed 53c8e85087989a435ec4047a7a9bc187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.895439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086264/manifest.json
observed faad12e4a402eea501a611ea67a712fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.872703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086264/publication.md
observed d00b54cd4a7efdad31e54944ef0c42b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.853835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086264/publication.txt
observed edc4c35958b571ce31af333651d7e8be...
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.