OpenTechnical

OT-2026-000086277

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000086277) never changes.

Identity and time

Publication numberOT-2026-000086277 · never reused
Internal UUID01a0ae9a-2c95-7e9c-a72d-8d128bf2773d · 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-2026-000086277
StatusPUBLIC

Content hashes

Canonical text40e552f20ab5aa9715d9e4057a6008effa560202d6b33488a36583581e3ba3a0
Markdownf7ad05ea537fc9104c4bf524a5c44454b8cf91f33164834ccecc97e639d94f2a
PDF
Publication page4fd80b587d1030e0d95c04cf2599929c5155883a88fccff0fc3e7a73716f06c6
Manifest362104234388f92fbc0fdba0fbad890ac666e6c9f51e44acaa408dbe3d241d4d

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
SignaturePye1KM20ePNWnMBM+W4G9JZSQR7Qf4mc4MQvApgzpmh+OEnFYy06uCbbq25JRLIN36X+y/jUFeN8fuIndfO+Aw==
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

2026-09-17T09:51:56.894588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086277
observed 4fd80b587d1030e0d95c04cf2599929c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.874598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086277/manifest.json
observed 362104234388f92fbc0fdba0fbad890a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.857336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086277/publication.md
observed f7ad05ea537fc9104c4bf524a5c44454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.839427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086277/publication.txt
observed 40e552f20ab5aa9715d9e4057a6008ef...
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.