OpenTechnical

OT-2026-000089516

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000089516) never changes.

Identity and time

Publication numberOT-2026-000089516 · never reused
Internal UUID01a0ae9b-db02-7d55-8a8a-9f8c93c712c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089516
StatusPUBLIC

Content hashes

Canonical textb8215a6213051165e3cc57ef6bcecb967f78cedea70b3a887d7ed6f04601be15
Markdown3b5783a730efaf02f6ad871f7e8e0a85fe8bec85422caf04dd138773f733e60c
PDF
Publication pagef7fb094c2cb766e29116408b2211fd9c8316dca4c2c4f5770c65231d69eef308
Manifest9c43d64b1623a266d930da3f52c60f5a4956aece8efcfc18180e54b8ab254b92

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
Signature1f9LDrX5HsyfjyxjoiJDlBv4ZiIXjdqvtR0CrmPIG6uh/zMFyPziQC8tItjDPpz3NTq+ZtK60wY6lxYVtLiYDw==
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

2026-09-17T09:47:40.370472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089516
observed f7fb094c2cb766e29116408b2211fd9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:40.354837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089516/manifest.json
observed 9c43d64b1623a266d930da3f52c60f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:40.337553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089516/publication.md
observed 3b5783a730efaf02f6ad871f7e8e0a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:40.320398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089516/publication.txt
observed b8215a6213051165e3cc57ef6bcecb96...
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.