OpenTechnical

OT-2026-000057380

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off after set-down

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-2026-000057380) never changes.

Identity and time

Publication numberOT-2026-000057380 · never reused
Internal UUID01a0ae87-d5bd-7e7b-8dea-55b9a844d765 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057380
StatusPUBLIC

Content hashes

Canonical text199e426287a03c0dffc5d4d6b46cbed3a3493367fade3a479f97fc374349144d
Markdown4a7937266e44e8894cfe7f3e748a7d2b050df8731e22cd19eddc40ee30ed3348
PDF
Publication page4e69fa73f057e5da9a64bef1f0b79c706f2fc3e152c3f35cf5872ceff6227737
Manifest8b11ed65d0909412597e0ee576a03c37038c29cdbb65a0d32d32588ff83dbd08

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
Signatureg4I3lm62enMvlA3fOwjeXV9Dw1uvzpX9eri/AR5a+u5Z2iCgaIT3eGYyOPSTDpFVc7dUMW8nVadTyTdOhJhxDg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:30.636901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057380
observed 4e69fa73f057e5da9a64bef1f0b79c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.620008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057380/manifest.json
observed 8b11ed65d0909412597e0ee576a03c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.603580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057380/publication.md
observed 4a7937266e44e8894cfe7f3e748a7d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.586381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057380/publication.txt
observed 199e426287a03c0dffc5d4d6b46cbed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:39.765411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057380
observed 4e69fa73f057e5da9a64bef1f0b79c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:39.748713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057380/manifest.json
observed 8b11ed65d0909412597e0ee576a03c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:39.731936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057380/publication.md
observed 4a7937266e44e8894cfe7f3e748a7d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:39.713631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057380/publication.txt
observed 199e426287a03c0dffc5d4d6b46cbed3...
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.