OpenTechnical

OT-2026-000077876

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000077876) never changes.

Identity and time

Publication numberOT-2026-000077876 · never reused
Internal UUID01a0ae95-2ed0-7fdd-84d1-f7e203d4ccfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077876
StatusPUBLIC

Content hashes

Canonical text67ca70401a09c7a19c730cee8e938fc8e6a7b26fac292874850e591d6f737f2e
Markdowncb3271d42a1303e13ad9e0df15bb24bb5aca620e4f06e5a5212f5343e18188c9
PDF
Publication pageec3dec56eb8d21afb2301be1d4485faf7040020d02fe0f801a474afeb29ead1f
Manifestafcb02bf0ec3938f7555fb782b646fd77647ac195fb502b7c813e3078362106a

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
SignaturernHZqXVjns83imHjio8b43b2Tp9e2YobVOVR+50JAtybdzah0L7ZfF8N41J8C+KS7Cto897Kqy7jos30qsOzAw==
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

2026-09-17T10:07:37.200626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077876
observed ec3dec56eb8d21afb2301be1d4485faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.179580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077876/manifest.json
observed afcb02bf0ec3938f7555fb782b646fd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.158677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077876/publication.md
observed cb3271d42a1303e13ad9e0df15bb24bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.138110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077876/publication.txt
observed 67ca70401a09c7a19c730cee8e938fc8...
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.